SpaceTime with Stuart Gary

In this episode of SpaceTime, we explore significant developments in space exploration and cosmic studies that could reshape our understanding of the universe.
Nasa's MAVEN Mars Orbiter: Communication Loss
NASA's MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft has gone silent, with contact lost on December 6th after passing behind Mars. The orbiter has been a vital asset for over a decade, studying the Martian atmosphere and solar wind interactions that have transformed Mars from a water-rich world to a cold desert. We delve into MAVEN's critical findings, including the mechanisms of atmospheric escape and t...

In this episode of SpaceTime, we tackle some of the most intriguing cosmic mysteries and discoveries that could reshape our understanding of the universe.
Unraveling Uranus: The Mystery of Its Radiation Belts
For 39 years, the intense electron radiation belts surrounding Uranus have puzzled scientists since NASA's Voyager 2 flyby in 1986 revealed unexpectedly high levels of radiation. New analyses suggest these findings may be explained by a solar wind structure interacting with the Uranian system during Voyager 2's visit. This research opens up new questions about the fundamental physics governing these extreme energy levels and the...

SpaceTime with Stuart Gary - Series 28 Episode 145
In this episode of SpaceTime, we explore groundbreaking discoveries that deepen our understanding of the origins of life and the dynamics of our galaxy.
Sugars and Stardust: Insights from Asteroid Bennu
NASA's Osiris Rex mission has returned samples from the asteroid Bennu, revealing the presence of biologically essential sugars, including ribose and glucose, along with a unique gum-like substance never before seen in astromaterials. These findings, published in Nature Geoscience and Nature Astronomy, suggest that the building blocks for life were widespread throughout the earl...

(00:00:00) Galactic Tug-of-War: The Small Magellanic Cloud's Struggle Against Gravitational Forces
(00:00:46) One of our nearest neighbouring galaxies being torn apart
(00:08:00) A giant spider on the Jovian Ice Moon Europa
(00:12:23) Mars could have been habitable for long periods
(00:14:14) The Science Report
(00:17:23) Skeptics guide to why some people are born suckers
(00:20:24) Episode Wrap

In this episode of SpaceTime, we delve into fascinating cosmic phenomena and groundbreaking discoveries that could reshape our understanding of the universe.
The Small Magellanic Cloud: A Galaxy Under Duress
Astronomers have uncovered that the Small M...

In this episode of SpaceTime, we explore groundbreaking discoveries and intriguing phenomena from Mars to the depths of space.
Lightning Strikes on Mars: A Historic Discovery
NASA's Perseverance Rover has made a remarkable find by detecting lightning in the Martian atmosphere for the first time. Recorded within two dust devils in Jezero Crater, the rover's Supercam microphone captured electromagnetic and acoustic signals indicative of electrical discharges. This discovery not only confirms long-held theories about Martian electrical activity but also reveals significant implications for the planet's atmospheric chemistry and potential hazards for future missions.
Duration: 00:44:35

(00:00:00) Theia Unveiled: Tracing the Origins of Earth's Moon and Lucy's Journey to Jupiter's Trojans
(00:00:50) New study claims Theia and Earth were once neighbours
(00:06:16) Lucy’s mission to Jupiter’s trojan asteroids
(00:15:26) Starliner’s next mission to be limited to cargo only
(00:17:57) The Science Report
(00:23:17) Alex on Tech: Dooms Day clock countdown to Digital ID

In this episode of SpaceTime, we dive into the intriguing origins of our Moon and the latest developments in space exploration.
Theia: The Lost Planet Behind the Moon's Birth
A groundbreaking study reveals that Th...

In this episode of SpaceTime, we explore groundbreaking advancements in our understanding of the universe and the challenges faced in space exploration.
Detecting Dark Matter: A Major Breakthrough
After nearly a century of speculation, scientists may have finally detected dark matter. A report in the Journal of Cosmology and Astroparticle Physics reveals that gamma rays emitted from dark matter particle collisions have been observed using NASA's Fermi Gamma Ray Space Telescope. This discovery aligns with predictions about dark matter's existence and could signify a new particle not included in the current standard model of p...

In this episode of SpaceTime, we delve into the latest discoveries and challenges in space exploration and Earth science.
Tracking Interstellar Comet 3I Atlas from Mars
The European Space Agency has successfully monitored interstellar comet 3I Atlas from its ExoMars Trace Gas Orbiter, significantly improving the accuracy of its predicted trajectory by a factor of ten. The comet, which travels at speeds of up to 250,000 km/h, was observed from a unique vantage point, allowing astronomers to refine its path through our solar system. This remarkable achievement underscores the importance of multi-location observations in p...

(00:00:00) Cosmic Speedsters: Unravelling Our Solar System's Surprising Velocity and Enceladus' Organic Secrets
(00:00:46) Our solar system is moving faster than expected
(00:04:38) Organic molecules discovered erupting from Saturn’s moon Enceladus
(00:08:29) A new satellite launched to study Earth’s oceans
(00:13:49) The Science Report
(00:15:52) Alex on Tech

In this episode of SpaceTime, we uncover groundbreaking insights into Earth's mysteries and the cosmos beyond.
Mysterious Structures in Earth's Mantle
A new study reveals that enigmatic structures within Earth's mantle may hold vital clues about why our planet evolved the conditions necessary for l...

(00:00:00) Cosmic Clues Beneath Us: The Mantle's Role in Life and the Milky Way Unveiled
(00:00:47) Mysterious structures within Earth's mantle may hold clues to life
(00:05:05) A new unprecedented view of the Milky Way Galaxy
(00:12:36) Stranded Chinese taikonauts return safely to Earth
(00:14:21) The Science Report
(00:16:58) Skeptics guide to the return of the haunted doll.

In this episode of SpaceTime, we uncover groundbreaking insights into Earth's mysteries and the cosmos beyond.
Mysterious Structures in Earth's Mantle
A new study reveals that enigmatic structures within Earth's mantle may hold vital clues a...

(00:00:00) Exploring Mars and Beyond: The Escapade Mission and the Expanding Mysteries of the Pleiades
(00:00:43) NASA's ESCAPADE mission to Mars blasts off
(00:10:00) The Pleiades prove to be far bigger than thought
(00:14:05) Ending the debate over interstellar comet 3I-Atlas
(00:17:05) The Science Report
(00:19:39) Skeptics guide to talking to plants.

In this episode of SpaceTime, we explore the latest advancements in space exploration and cosmic discoveries that deepen our understanding of the universe.
NASA's Escapade Mission Launches to Mars
NASA has successfully launched its first dual satellite mission to Mars, the E...

In this episode of SpaceTime, we delve into remarkable discoveries that illuminate the origins of our planet and the cosmos beyond.
Ancient Australian Rocks Shed Light on Earth's Origins
Scientists have made significant strides in understanding the formation of Earth and the Moon through the analysis of 3.7 billion-year-old feldspar crystals from the Murchison region in Western Australia. This research reveals that continental growth began relatively late in Earth's history, around three and a half billion years ago, suggesting a shared composition between Earth and the Moon following a colossal impact event. The findings challenge e...

In this episode of SpaceTime, we explore the latest astronomical phenomena and significant discoveries that are shaping our understanding of Earth and space.
Auroral Displays Light Up the Skies
Planet Earth has been treated to an extraordinary display of auroras, with both the Aurora Australis and Aurora Borealis lighting up the skies following three powerful X-class solar flares, including an X 5.1 event on November 11. This segment dives into the mechanics behind these solar flares, the resulting coronal mass ejections (CMEs), and how they triggered spectacular auroras visible at lower latitudes than usual, including sightings a...

(00:00:00) Cosmic Beginnings and Stellar Discoveries: Unveiling the First Stars and Secrets of the Moon
(00:00:47) Have astronomers finally seen the universe’s first stars
(00:04:06) Hidden secrets about the Moon and the asteroid Vesta
(00:10:45) Euclid peers deep into a stellar nursery full of baby stars
(00:16:05) The Science Report
(00:18:09) Skeptics guide to flat earthers falling flat on their face again

In this episode of SpaceTime, we uncover groundbreaking findings that could reshape our understanding of the universe's early stars, the Moon's hidden secrets, and the asteroid Vesta's internal structure.
First Stars Detected<...

(00:00:00) Decelerating Cosmos and Solar Secrets: Unravelling Dark Energy and the Sun's Magnetic Dance
(00:00:45) More confirmation that the Universe's expansion is slowing
(00:08:53) First glimpse of the Sun’s polar magnetic field in motion
(00:14:09) Space Weather events ramping up
(00:18:24) The Science Report
(00:20:29) Alex on Tech NEO the humanoid housekeeper

In this episode of SpaceTime, we explore significant revelations about the universe's expansion, the Sun's magnetic field, and the current surge in solar weather activity.
The Universe's Expansion Rate is Slowing
A new study has confirmed that the universe's rate of...

(00:00:00) Galactic Influences and Supermoons: Exploring Earth's Crust and Taikonaut Trials
(00:00:42) Earth's geology written in the stars
(00:10:30) Taikonauts stranded in space following space junk impact
(00:12:38) Biggest Supermoon of the year
(00:14:59) The Science Report
(00:17:20) Skeptics guide to jogging big foots

In this episode of SpaceTime, we delve into fascinating intersections of geology and astronomy that could reshape our understanding of Earth's history and the cosmos.
Earth's Geology Written in the Stars
A groundbreaking study reveals a compelling connection between the structure of our Milky Way galaxy and the evolution o...

In this episode of SpaceTime, we explore remarkable discoveries and hypotheses that could redefine our understanding of planetary atmospheres and our journey back to the Moon.
Phosphine Discovery in Brian Dwarf Wolf 1130C
For the first time, astronomers have detected phosphine in the atmosphere of the brown dwarf Wolf 1130C, raising intriguing questions about its presence and the chemistry of such celestial bodies. This discovery, reported in the journal Science, highlights the significance of phosphorus as a potential biosignature for life and challenges previous theories regarding the abundance of phosphine in other brown dwarfs a...

In this episode of SpaceTime, we dive into groundbreaking astronomical discoveries that challenge our understanding of the universe.
The Most Massive Stellar Black Hole Merger Ever Observed
Astronomers have detected the most massive stellar black hole merger to date, cataloged as GW23 1123, which resulted in a black hole with a staggering mass of 225 times that of our Sun. This episode discusses the implications of this merger, observed by the LIGO Virgo Collaboration, and how it pushes the boundaries of current theories on black hole formation. The rapid spinning of the resulting black hole raises i...

In this episode of SpaceTime, we explore a trio of intriguing astronomical phenomena that are reshaping our understanding of the cosmos.
Interstellar Comet 3I Atlas: A Close Encounter
Interstellar comet 3I Atlas has reached its perihelion, passing closest to the Sun without any signs of alien life forms, despite wild media speculation. This episode discusses how the comet maintained its expected trajectory and velocity, while also revealing groundbreaking findings from NASA's Swift Space Telescope, which detected ultraviolet signatures of water from the comet, providing new insights into the chemistry of interstellar objects and their p...

In this episode of SpaceTime, we delve into groundbreaking discoveries that could reshape our understanding of life on Mars and the cosmos beyond.
Martian Ice: A Potential Reservoir for Life
A recent study suggests that Martian ice may be the most promising location to search for signs of ancient microbial life. Researchers found that biomolecules from dormant microbes degrade significantly slower in pure water ice compared to Martian soil mixtures. This discovery, published in the journal Astrobiology, raises hopes that future missions to Mars could uncover preserved organic materials in its icy regions, potentially r...

(00:00:00) Lunar Relics and Interstellar Insights: Discoveries from the Moon and Comet 3I ATLAS
(00:00:46) Relics of the outer solar system discovered on the Moon
(00:03:30) Insights from interstellar comet 3I ATLAS
(00:07:31) SpaceX's Starship Mega rocket test flight
(00:23:54) The Science report
(00:31:46) Episode Wrap

In this episode of SpaceTime, we explore remarkable discoveries that provide new insights into our solar system and beyond.
Relics of the Outer Solar System Found on the Moon
A groundbreaking study reveals that meteorites found on the Moon originated from the outer solar system. Researchers from t...

(00:00:00) Near Miss and Cosmic Spectacles: Asteroids, Comets, and Space Junk in Earth's Orbit
(00:00:46) Planet Earth experiences as asteroid near miss
(00:02:58) Two green comets lighting up the night skies
(00:07:31) Chinese space junk smashes into Western Australia
(00:09:09) The Science Report
(00:12:07) Skeptics guide to the magic healing Biomet
(00:15:15) Show Wrap-up

In this episode of SpaceTime, we dive into a series of astonishing astronomical events that recently unfolded, including a near-miss asteroid and mesmerizing comets lighting up our night skies.
Asteroid 2025 TF: A Close Encounter
An undetected asteroid, now designated 2025 T...

In this episode of SpaceTime, we uncover the latest findings in Martian meteorology, delve into Earth's ancient tectonic activity, and prepare for humanity's return to the Moon.
Raging Winds on Mars: Unveiling Martian Weather Patterns
A groundbreaking study published in the journal Science Advances reveals that wind speeds on Mars can reach up to 160 km/h, significantly higher than earlier estimates. Lead author Valentin U.H. Meckel from the University of Bern discusses how these powerful winds, along with dust devils, play a crucial role in shaping Mars' climate and dust distribution. This episode e...

In this episode of SpaceTime, we explore groundbreaking discoveries that reshape our understanding of Mars, the Moon, and the Milky Way Galaxy.
Ancient Oceans on Mars: Geological Evidence Revealed
A new study published in the journal Geophysical Research Letters presents compelling geological evidence that Mars' Northern Hemisphere was once home to a vast ocean. Lead author Chris from the University of Arkansas discusses how comparisons between river rocks on Earth and Martian sediment reveal ancient river deltas and backwater zones, suggesting that liquid water flowed on the Red Planet, increasing the possibility of past l...

In this episode of SpaceTime, we delve into the intriguing world of near-Earth asteroids, the evolution of our universe, and the remarkable discovery of a rogue planet experiencing unprecedented growth.
Invisible Asteroids Near Venus: A Hidden Threat
Recent computer simulations published in the journal Astronomy and Astrophysics have raised alarms about a population of near-Earth asteroids that remain undetectable due to their proximity to Venus. These Venusian co-orbital asteroids, which share an orbital resonance with Venus, could pose a collision risk to Earth within a few thousand years. The study's lead author, Valerio Carumba, e...

In this episode of SpaceTime, we uncover the latest revelations in astrophysics, including the intriguing prospect of supermassive dark stars, Australia's ambitious lunar rover mission, and fresh insights into the formation of our solar system.
Supermassive Dark Stars: A New Cosmic Discovery
Astronomers have identified potential candidates for a new type of star in the early universe, known as supermassive dark stars. Recent observations from the Webb Space Telescope suggest that these stars, primarily composed of hydrogen and helium, are supported against gravitational collapse by dark matter. This episode delves into how these dark s...

In this episode of SpaceTime, we dive into the fascinating findings from Saturn's icy moon Enceladus, discuss delays in the Dream Chaser spaceplane's launch schedule, and celebrate NASA's breakthroughs in laser communications for deep space missions.
Enceladus: Unveiling Complex Chemistry
Recent discoveries reported in the journal Nature Astronomy reveal that Saturn's moon Enceladus is spewing complex organic molecules from its subsurface ocean. Data collected by the Cassini spacecraft during its mission has unveiled fresh insights into the chemical reactions occurring in this hidden ocean. The presence of organic molecules, including precursors for amino acids, r...

In this episode of SpaceTime, we explore the future of our universe, the latest advancements in mapping our Milky Way, and the pivotal role fungi played in the evolution of life on land.
The Universe's Fate: A Big Crunch in 20 Billion Years
A groundbreaking study published in the Journal of Cosmology and Astroparticle Physics reveals that the universe is approaching the midpoint of its 33 billion-year lifespan and may end in approximately 20 billion years. Lead author Henry Tighe from Cornell University presents new data suggesting that the universe's cosmological constant may be negative, leading to a...

In this episode of SpaceTime, we delve into the intriguing potential for life on the dwarf planet Ceres, explore NASA's latest mission to study the heliosphere, and celebrate the achievements of the University of Melbourne's Spirit Nanosat.
Ceres: A Potentially Habitable World?
Recent research published in Science Advances suggests that Ceres, currently a frigid and frozen world, may have once harboured conditions suitable for life. By modelling the planet's thermal and chemical history, scientists propose that Ceres could have sustained a long-lasting energy source, allowing for microbial metabolism. While there's no direct evidence of l...

(00:00:00) Mercury's Shrinking Secrets: Insights into the Solar System's Smallest Planet
(00:00:43) Mercury's Ongoing Shrinkage
(00:03:11) NASA's Carruthers Geocorona Observatory
(00:11:52) Insights from Martian Meteorite NWA 16254
(00:14:23) Tech News

In this episode of SpaceTime, we explore the intriguing dynamics of Mercury's shrinking size, embark on a mission to unveil Earth's elusive exosphere, and uncover the secrets of ancient volcanic activity on Mars.
Mercury's Ongoing Shrinkage
Recent research published in AGU Advances reveals that Mercury continues to shrink as it cools, a process that has been ongoing since its formation 4.6 billion years ago. Scientists h...

(00:00:00) Stardust from Beyond: Unveiling the Secrets of Asteroid Bennu and Saturn's Mysteries
(00:00:47) Scientists have discovered minerals older than our solar system embedded in asteroid Bennu
(00:10:22) Scientists using NASA's Webb telescope have uncovered mysterious features in Saturn's atmosphere
(00:14:58) NASA's Parker Solar Probe completes 25th close approach to the sun
(00:17:27) The Science Report

In this episode of Space Time, we uncover groundbreaking discoveries that challenge our understanding of the cosmos. Join Stuart Gary as he discusses the astonishing findings from the asteroid Bennu, revealing minerals older than our solar system itself. Delve into the unexpected features...

In this episode of SpaceTime, we dive into the cosmos to uncover the secrets of the early universe, explore the potential for black hole atmospheres, and examine the intriguing history of habitability on Mars, alongside the launch of a new deep space antenna by the European Space Agency.
Mysterious Red Dots in the Early Universe
Astronomers have identified a population of enigmatic red dots in the early universe, potentially representing exotic stellar atmospheres around ancient black holes. These findings, published in Astronomy and Astrophysics, could bridge the gap in understanding the rapid growth of s...

In this episode of SpaceTime, we celebrate a major milestone in exoplanet discoveries, unravel the enigmatic surface of Venus, and delve into the intriguing tale of interstellar comet 3I ATLAS.
Exoplanet Count Surpasses 6,000
Astronomers have reached an impressive milestone, confirming their 6,000th exoplanet, a testament to the rapid pace of discoveries since the first detection of an exoplanet in 1995. This milestone not only highlights the evolving understanding of our galaxy but also raises questions about the myriad of planetary types discovered, from rocky planets to gas giants. While the hunt for Earth-like planets continues, t...

In this episode of SpaceTime, we tackle the mysteries of the cosmos with a new mathematical model of the universe and ponder the age-old question: are we alone in the universe?
New Model of the Universe
Scientists have unveiled a groundbreaking mathematical model aimed at simplifying our understanding of the universe's evolution over the past 13.8 billion years. This innovative research, based on data from the Dark Energy Spectroscopic Instrument (DESI), offers fresh insights into the cosmic web's structure, revealing how dark energy influences cosmic expansion. Lead author Leonardo Gianni from the University of Queensland...

In this episode of SpaceTime, we explore the thrilling prospects of observing exploding black holes, an astonishing stellar jet on the outskirts of the Milky Way, and the meticulous preparations for an Earth observation satellite mission.
Exploding Black Holes on the Horizon
A groundbreaking study suggests that astronomers may soon witness a black hole explosion, an event theorised to occur once every 100,000 years. Researchers now believe there’s a 90% chance of observing such an explosion within the next decade, potentially revealing primordial black holes formed shortly after the Big Bang. These explosions could provide a c...

In this episode of SpaceTime, we uncover the secrets of ancient geology, explore the watery past of an asteroid, and delve into the origins of globular clusters.
Supercontinent Breakup Revealed
Scientists have made significant strides in understanding the breakup of the supercontinent Rodinia, which occurred over 800 million years ago. Research conducted on rare minerals in Outback Australia has revealed how niobium-rich carbonatites rose through fault zones during tectonic rifting, providing insights into the geological processes that shaped our planet. These findings not only illuminate the history of Rodinia but also highlight the importance of...

In this episode of SpaceTime, we dive into groundbreaking discoveries on Mars, the intriguing atmosphere of Makemake, and the awe-inspiring total lunar eclipse that captivated millions.
Potential Biosignatures on Mars
NASA scientists have revealed that samples collected by the Perseverance rover from Jezero Crater may hold the best chance yet of uncovering evidence of past microbial life. The samples, taken from the rock formation known as Chiava Falls, exhibit characteristics that could indicate potential biosignatures. These findings suggest that Mars may have been habitable for longer than previously thought, challenging earlier assumptions about the...

Sponsor Details:
This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!

In this episode of SpaceTime, we explore fascinating insights into the origins of Earth's water, the launch of Israel's advanced spy satellite, and the development of a groundbreaking high-energy...

Sponsor Details:
This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!

In this episode of SpaceTime, we delve into some astounding revelations in solar physics and planetary science, including the extreme temperatures of solar flares, new insights into the formation...

Sponsor Details:
This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!

In this episode of SpaceTime, we uncover groundbreaking discoveries in planetary science and solar physics, including the remnants of ancient asteroids on Mars, the recovery of the Mother's Day m...

SpaceTime S28E108 S28E109 S28E110 w/c September 8th, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 108 *Asteroids trapped in the Martian interior A new study has concluded that asteroids that impacted Mars early in its history now lie scattered in giant lumps in the red planet’s mantle. *Discovering the Mother’s day Meteorite Scientists have recovered samples of a dazzling meteor which lit up Western Australian skies on Mother’s Day. *Tracing superfast electrons back to Sun Astronomers have discovered two se...

In this episode of SpaceTime, we uncover some of the most exciting discoveries and developments in the universe, including the detection of the brightest fast radio burst ever observed, the New Horizons spacecraft's record-setting hibernation, and an innovative method for generating oxygen in space.
Brightest Fast Radio Burst Detected
Astronomers have identified what is being hailed as the brightest fast radio burst (FRB) ever recorded. Catalogued as FRB 2025 0316A, this extraordinary flash of energy was detected 130 million light years away in the spiral galaxy NGC 4141. The burst's unprecedented brightness and proximity provide scientists with...

In this episode of SpaceTime, we explore the latest developments in space exploration, including the European Space Agency's Juice mission, NASA's Psyche spacecraft, and groundbreaking advancements in lunar resource utilization.
Juice Mission Back on Track
The European Space Agency's Jupiter Icy Moons Explorer, Juice, is set for a critical flyby of Venus after overcoming a communications anomaly that temporarily severed contact with Earth. Engineers successfully restored communication with the spacecraft, which is now on its way to study Jupiter's Galilean moons—Ganymede, Callisto, and Europa—believed to harbor subsurface oceans that may support extraterrestrial life...

In this episode of SpaceTime, we delve into thrilling advancements in space exploration, including a remarkable test flight of SpaceX's Starship, groundbreaking insights into Mars, and a classified mission from the United States Space Force.
Starship's Spectacular Test Flight
After overcoming numerous challenges, SpaceX's Starship has successfully completed its 10th test flight, launching from Texas and splashing down in the Indian Ocean. This flight demonstrated the rocket's capabilities, including a controlled splashdown of the Super Heavy booster and the successful deployment of Starlink satellite simulators. The mission provided critical data on the vehicle's performance d...

This episode is brought to you by the support of Insta360 - the leaders and innovators in portable 360 Photography. And they have just released the all new UltraGo...the take anywhere camera. Get all the details by visiting store.insta360.com and use the promo code SPACETIME at checkout for our special listener offer. 
In this episode of SpaceTime, we explore groundbreaking discoveries and developments in the realm of astrophysics and space exploration.Rogue Planets and Their Potential
A fascinating new study reveals that giant free-floating p...

This episode of SpaceTime is brought to you by Insta360's newest camera, the GoUltra. To get more details on this go anywhere camera, visit store.insta360.com and for our special offer use the code SPACETIME at checkout.
In this episode of SpaceTime, we uncover the mysteries lurking in the cosmos, from a rogue supermassive black hole to a meteorite crash in Georgia, and the origins of asteroids Bennu and Richie.
An Invisible Monster in the Cosmos
Astronomers have made a c...

This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GoUltra. For a special offer, visit store.insta360.com and use the promo code SPACETIME at checkout.
In this episode of SpaceTime, we explore thrilling recent discoveries and events in the cosmos, including close encounters with asteroids, a newly discovered moon around Uranus, and the cosmic dance of dwarf galaxies.
Earth Dodges Two Asteroid Near Misses
Planet Earth has narrowly avoided two asteroid...

In this episode of SpaceTime, we delve into intriguing new research that challenges our understanding of Earth's climatic history, the discovery of a rare astronomical phenomenon, and China's advancements in lunar exploration.
Did a Comet Trigger the Younger Dryas Cool Off?
A groundbreaking study has emerged suggesting that a massive comet may have instigated Earth's Younger Dryas cool off event, traditionally attributed to glacial meltwater. Analysis of ocean sediments published in the journal PLOS One reveals geochemical clues that support the hypothesis of Earth encountering a disintegrating comet around 12,800 years ago. This event could h...

In this episode of SpaceTime, we explore the latest revelations from the cosmos, featuring the intriguing interstellar comet 3I Atlas, a groundbreaking theory about our place in the universe, and the safe return of SpaceX Crew 10.
The Enigmatic Comet 3I Atlas
Astronomers utilizing NASA's Hubble Space Telescope have captured the sharpest images yet of the interstellar comet 3I Atlas, revealing a solid icy nucleus estimated to measure between 320 meters and 5.6 kilometers in diameter. This comet, traveling at a staggering 209,000 kilometers per hour, is believed to have been journeying through interstellar space for approximately 7 billion y...

In this episode of SpaceTime, we uncover the latest astronomical marvels and pressing concerns in space science.
The Cosmic Horseshoe: A Supermassive Discovery
Astronomers have potentially identified the most massive supermassive black hole ever discovered, dubbed the Cosmic Horseshoe, which is estimated to be around 36 billion times the mass of our Sun. Located approximately 5 billion light years away, this colossal black hole distorts space-time and creates a stunning Einstein ring effect by gravitationally lensing light from distant galaxies. The measurement of its mass combines gravitational lensing and stellar kinematics, providing a rare glimpse into t...

In this episode of SpaceTime, we journey through the latest advancements in space exploration and cosmology, featuring a groundbreaking radar mission, a new hypothesis on the universe's origins, and updates on the International Space Station.
NISAR: A New Era in Earth Observation
The Indian Space Research Organisation (ISRO) has successfully launched the NISAR satellite, a joint mission with NASA that promises to revolutionise our understanding of Earth's dynamic systems. This advanced synthetic aperture radar satellite will monitor changes in forests, wetlands, and ice-covered surfaces with unprecedented detail, providing crucial data for disaster response, infrastructure m...

In this episode of SpaceTime, we delve into the cosmic drama unfolding in our universe, featuring a doomed exoplanet, new revelations about Mars, and the latest crew aboard the International Space Station.
The Death Spiral of TOI 2109b
Astronomers are closely monitoring the death spiral of TOI 2109b, an exoplanet located over 870 light-years away. This gas giant, nearly five times the mass of Jupiter, completes an orbit around its host star in just 16 hours, making it the closest hot Jupiter discovered to date. Researchers from Macquarie University have found that the planet's orbit is d...

In this episode of SpaceTime, we explore groundbreaking discoveries and ambitious plans in the realm of space exploration.
The Most Distant Black Hole: Casper's Lidz 9
Astronomers have identified the most distant black hole ever observed, known as Casper's Lidz 9, dating back 13.3 billion years to a time when the universe was only half a billion years old. This supermassive black hole, weighing in at approximately 300 million solar masses, raises intriguing questions about its rapid growth in the early universe. The findings, published in the Astrophysical Journal, provide a unique opportunity to study the structure and e...

In this episode of SpaceTime, we uncover intriguing discoveries about Mars, the cosmos, and the latest advancements in space technology.
Martian Glaciers: Pure Water Ice
Recent research reveals that Martian glaciers are composed of over 80% pure water ice, challenging previous assumptions that they were primarily rocky. This groundbreaking study, led by Yuval Steinberg from the Weizmann Institute, utilized standardized measurements to analyze the dielectric properties of these glaciers, providing a clearer understanding of their composition. The findings not only enhance our knowledge of Martian geology but also have significant implications for future manned missions, a...

In this episode of SpaceTime, we explore exciting new findings about our galaxy, the latest achievements of NASA's Mars Curiosity rover, and groundbreaking images of the Sun captured by the Parker Solar Probe.
Milky Way's Hidden Satellites
Recent research suggests that the Milky Way may host up to 100 previously undetected satellite galaxies. Using advanced supercomputer simulations and mathematical modeling, astronomers have identified the existence of these faint dwarf galaxies, which could provide crucial support for the Lambda cold dark matter model. Currently, only 60 companion galaxies are confirmed, but with new telescopes like the Vera R...

In this episode of SpaceTime, we delve into significant developments in space exploration, from Australia's latest rocket launch attempt to groundbreaking theories about the origins of life.
Australia's ERIS 1 Rocket Launch: A Learning Experience
In a dramatic turn of events, Gilmour Space's ERIS 1 rocket experienced a failure just seconds after liftoff, marking Australia's first orbital rocket launch in years. Despite the setback, CEO Adam Gilmour emphasizes the lessons learned from the test flight, which will inform the design and operation of future launches. The rocket's ascent was initially promising, but engine failures led to a...

In this episode of SpaceTime, we embark on a thrilling journey through the cosmos, exploring the potential for life on Mars, a remarkable discovery in the outer solar system, and the crucial mapping of sulfur throughout our galaxy.
Searching for Life on Mars
A new study reveals that thick layers of clay on Mars could indicate stable environments conducive to life billions of years ago. Researchers have identified that these clay deposits likely formed in standing bodies of water, providing the right conditions for chemical weathering and potentially supporting ancient life. The findings suggest t...

In this episode of SpaceTime, we uncover groundbreaking revelations about dark energy, lunar geology, and Europe's innovative space weather monitoring initiative.
Dark Energy: A Changing Force?
Astronomers have compiled the largest supernova dataset to date, revealing tantalizing hints that dark energy may not be a constant force in the universe. This research, led by the International Supernova Cosmology Project, analyzes over 2,000 Type 1A supernovae to explore the evolving nature of dark energy, which currently comprises nearly 70% of the universe's mass-energy content. The findings suggest that if dark energy is weakening, it could significantly impact t...

In this episode of SpaceTime, we dive into the depths of cosmic mysteries and groundbreaking discoveries, including the enigmatic Long Period Transient and the stellar companion of Betelgeuse, alongside exciting findings from Mars.
Unraveling the Long Period Transient
Astronomers have uncovered a new cosmic phenomenon, ASCAP J1832-0911, which emits both radio and X-ray pulses every 44 minutes for just two minutes at a time. This first-ever detection of a Long Period Transient has left scientists puzzled about its nature and origins. Lead author Dr Andy Wang from Curtin University discusses the potential theories, including t...

In this episode of SpaceTime, we explore the latest cosmic revelations, including the astonishing discovery of an ancient interstellar comet, the intricate workings of a rare pulsar, and the safe return of the Axiom 4 crew from their mission.
Ancient Interstellar Comet 3I/Atlas
Astronomers have unveiled that the newly discovered interstellar object, 3I/Atlas, could be the oldest comet ever observed, potentially predating our solar system by over 3 billion years. This water-rich visitor, detected by NASA's ATLAS survey, is only the third known object from beyond our solar system to reach us. A study b...

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In this episode of SpaceTime, we delve into groundbreaking discoveries that reveal the impact of human activity on Earth, explore a new celestial body beyond Pluto, and prepare for Japan's upcoming Martian moon mission.
Human Development and Earth's Polar Shift
A recent study published in Geophysical Research...

In this episode of SpaceTime, we tackle some of the most profound questions in science, including the mystery of why the universe exists, the potential for liquid water on Mars, and the birth of a new solar system.
Unraveling the Mystery of the Universe
Scientists have made significant strides in understanding the fundamental differences between matter and antimatter, a question that has puzzled humanity since the dawn of physics. The LHCB collaboration at CERN has provided compelling evidence of a mirror-like asymmetry in how baryons behave compared to their antimatter counterparts. This breakthrough could s...

In this episode of SpaceTime, we explore the latest discoveries in lunar geology, the intriguing concept of dark dwarves, and the stunning features of the Carina Nebula.
The Youngest Basaltic Lunar Meteorite
Scientists have uncovered a 2.35 billion-year-old lunar meteorite, Northwest Africa 16286, which fills a significant gap in our understanding of the Moon's volcanic history. This meteorite, distinct in its chemical profile, suggests that volcanic activity on the Moon persisted longer than previously thought, unveiling new insights into its internal heat generation processes. Lead author Joshua Snape from the University of Manchester explains how this r...

In this episode of SpaceTime, we unlock the secrets of the Moon's far side, explore the Sun's helicity barrier, and discuss the European Space Agency's advancements in orbital launch vehicles.
Extended Volcanism on the Moon's Far Side
Recent findings reveal that the Moon's far side has experienced extended volcanism for at least 1.4 billion years, with two significant volcanic phases occurring around 4.2 and 2.8 billion years ago. This research, stemming from samples collected by China's Chang' E6 mission, provides insights into the Moon's geological history and the asymmetry between its near and far sides. The study h...

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In this episode of SpaceTime, we explore some fascinating recent developments in our understanding of Earth and beyond.
Earth Experiences Its Shortest Day
On July 9, Earth recorded one of its shortest days, with a rotation 1.51 milliseconds shorter than t...

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In this episode of SpaceTime, we delve into groundbreaking research that sheds light on Earth's ancient history, the formation of hot Jupiters, and the enigmatic climate of Mars.
Earth's Oldest Rocks Confirmed in Northern Canada
A rec...

In this episode of SpaceTime, we explore some of the most exciting recent discoveries in astronomy, including the largest Oort Cloud comet ever observed and remarkable achievements from NASA's Mars Perseverance Rover.
Comet C/2014 UN271 Bernardinelli-Bernstein: A Giant from the Oort Cloud
Astronomers have made a groundbreaking discovery by detecting molecular activity in Comet C/2014 UN271 Bernardinelli-Bernstein, the largest and most distant active comet ever observed. Originating from the Oort Cloud, this colossal comet measures nearly 140 km across, revealing complex jets of carbon monoxide gas and providing insight into its behavior far from the S...

In this episode of SpaceTime, we dive into the latest astronomical discoveries and the implications for future space exploration.
New Interstellar Visitor: Comet 3I Atlas
Astronomers have identified a new interstellar object, designated 3I Atlas, which is currently traversing our solar system. Discovered by NASA's ATLAS telescope in Chile, this comet is approximately 670 million kilometers away and poses no threat to Earth, as it will pass at a safe distance of 240 million kilometers. With a velocity exceeding 51 kilometers per second, 3I Atlas is only the third confirmed interstellar visitor, following the enigmatic Oumuamua and t...

In this episode of SpaceTime, we uncover remarkable insights into Mars, Mercury, and the latest developments in space exploration.
Hidden Martian Volcano: Jezero Mons
Scientists have identified a previously overlooked volcano, Jezero Mons, located on the rim of Jezero Crater, where NASA's Perseverance rover is actively collecting samples. This discovery could provide vital clues about Mars' volcanic history and habitability, suggesting that the region may have supported life due to the interplay of volcanic heat and water. The findings, published in Communications Earth and Environment, highlight the need for further exploration of Mars' geology, a...

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In this episode of SpaceTime, we explore the latest discoveries and research that are reshaping our understanding of Mars and the effects of solar activity on planetary climates.
Curiosity Rover's New Martian Rock Samples
NASA's Mars Curiosity rover has dr...

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Parker Solar Probe's Historic Close Approach to the Sun
NASA's Parker Solar Probe has achieved a remarkable milestone, completing its 24th close flyby of the Sun at a record distance of just 6.2 million kilometers from the solar surface. During this encounter, the probe reached speeds of 687,000 kilometers per hour, gathering invaluable data on...

In this episode of SpaceTime, we delve into fascinating connections between Earth's atmospheric conditions and its magnetic field, alongside intriguing insights into Mercury and the mysteries of the Sun's corona.
Link Between Earth's Oxygen and Magnetic Field
A groundbreaking study published in Science Advances reveals a correlation between the fluctuations of Earth's magnetic field and atmospheric oxygen levels over the last 540 million years. Researchers suggest that processes within the Earth might influence habitability on the surface, highlighting the magnetic field's role in protecting our atmosphere from cosmic rays and solar wind. This correlation raises q...

In this episode of SpaceTime, we uncover significant advancements in our understanding of the universe and ongoing developments in space exploration.
Astronomers Find the Universe's Missing Matter
A groundbreaking study reveals that the universe's elusive normal matter is concealed within hot intergalactic gas filaments. This discovery, detailed in the journal Astronomy and Astrophysics, identifies a massive filament of gas, ten times the mass of the Milky Way, connecting four galaxy clusters. Utilizing the European Space Agency's XMM-Newton and JAXA's Suzaku X-ray space telescopes, researchers have successfully characterized this filament, providing crucial insights into the c...

In this episode of SpaceTime, we explore some of the most recent and intriguing developments in space exploration and cosmic phenomena.
Starship's Latest Test Flight Ends in Explosion
SpaceX faces another setback as its 10th Starship test flight ended in a massive explosion at the Massey test stand in Boca Chica, Texas. The incident occurred just minutes before a planned static fire test of the upper stage. We discuss the details of the explosion, including early indications of a cryogenic methane leak and the implications for SpaceX's ambitious goals of interplanetary transport.
A...