SpaceTime with Stuart Gary
Join host Stuart Gary for weekly explorations into Astronomy, Space, and Science News, featuring insights from 19 years on Australian Public Radio and industry experts. Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.
Episodes
February 3, 2026 • 23 mins
In this episode of SpaceTime, we explore new insights into the origins of Earth's water, groundbreaking discoveries beneath the surface of Jupiter's volcanic moon Io, and how tectonic plate movements may have influenced Earth's climate throughout history.
New Clues on Earth's Water Origins
A recent study published in the Proceedings of the National Academy of Sciences reveals that asteroid and comet impacts could only account for a s...
New Clues on Earth's Water Origins
A recent study published in the Proceedings of the National Academy of Sciences reveals that asteroid and comet impacts could only account for a s...
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January 29, 2026 • 42 mins
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SpaceTime with Stuart Gary Gary - Series 29 Episode 13
In this episode of SpaceTime, we uncover ...
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SpaceTime with Stuart Gary Gary - Series 29 Episode 13
In this episode of SpaceTime, we uncover ...
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January 27, 2026 • 24 mins
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This episode is brought to you with thanks to Squarespace. Bring your stories to life with Squarespace, the easiest way to create an exceptional website, blog, portfolio, or online store. To take up our great offer and help support the show, just visit www.squarespace.com/spacetime or use the Promo Code SPACETIME at checkout.
SpaceTime with Stuart Gary Gary - Series 29 Episode 12
In this episode of SpaceTime, we uncover ...
This episode is brought to you with thanks to Squarespace. Bring your stories to life with Squarespace, the easiest way to create an exceptional website, blog, portfolio, or online store. To take up our great offer and help support the show, just visit www.squarespace.com/spacetime or use the Promo Code SPACETIME at checkout.
SpaceTime with Stuart Gary Gary - Series 29 Episode 12
In this episode of SpaceTime, we uncover ...
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January 26, 2026 • 26 mins
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This episode is brought to you with thanks to Squarespace. Bring your stories to life with Squarespace, the easiest way to create an exceptional website, blog, portfolio, or online store. To take up our great offer and help support the show, just visit www.squarespace.com/spacetime or use the Promo Code SPACETIME at checkout.
SpaceTime with Stuart Gary Gary - Series 29 Episode 11
In this episode of SpaceTime, we dive int...
This episode is brought to you with thanks to Squarespace. Bring your stories to life with Squarespace, the easiest way to create an exceptional website, blog, portfolio, or online store. To take up our great offer and help support the show, just visit www.squarespace.com/spacetime or use the Promo Code SPACETIME at checkout.
SpaceTime with Stuart Gary Gary - Series 29 Episode 11
In this episode of SpaceTime, we dive int...
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January 23, 2026 • 17 mins
SpaceTime with Stuart Gary Gary - Series 29 Episode 10
In this episode of SpaceTime, we explore groundbreaking developments in space exploration, including the imminent launch of the first nuclear-powered rocket, the merging of low mass dwarf galaxies, and the intriguing connection between Earth-like planets and gas giants.
The Dawn of Nuclear Rocket Technology
History is set to be made as NASA and DARPA prepare to test the world’s fi...
In this episode of SpaceTime, we explore groundbreaking developments in space exploration, including the imminent launch of the first nuclear-powered rocket, the merging of low mass dwarf galaxies, and the intriguing connection between Earth-like planets and gas giants.
The Dawn of Nuclear Rocket Technology
History is set to be made as NASA and DARPA prepare to test the world’s fi...
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SpaceTime with Stuart Gary Gary - Series 29 Episode 9
In this episode of SpaceTime, we unravel the enigma of the universe's mysterious little red dots, delve into groundbreaking insights from Jupiter regarding the evolution of our solar system's planets, and mark the commencement of construction on Earth's largest gamma-ray observatory.
The Mystery of the Little Red Dots
A fascinating new study reveals that the enigmatic little red do...
In this episode of SpaceTime, we unravel the enigma of the universe's mysterious little red dots, delve into groundbreaking insights from Jupiter regarding the evolution of our solar system's planets, and mark the commencement of construction on Earth's largest gamma-ray observatory.
The Mystery of the Little Red Dots
A fascinating new study reveals that the enigmatic little red do...
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January 19, 2026 • 29 mins
SpaceTime with Stuart Gary Gary - Series 29 Episode 8
In this episode of SpaceTime, we investigate the surprising ways Mars influences Earth's climate, hear about the safe return of Crew 11 following the first emergency medical evacuation from the International Space Station, and explore a cosmic clock that reveals insights into Australia's geological history.
Mars: A Climate Influencer
A new study has unveiled that the orbit of Mars ...
In this episode of SpaceTime, we investigate the surprising ways Mars influences Earth's climate, hear about the safe return of Crew 11 following the first emergency medical evacuation from the International Space Station, and explore a cosmic clock that reveals insights into Australia's geological history.
Mars: A Climate Influencer
A new study has unveiled that the orbit of Mars ...
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January 17, 2026 • 29 mins
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This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click Here
SpaceTime with Stuart Gary Gary - Series 29 Episode 7
In this episode of SpaceTime, we delve into the intriguing possib...
This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click Here
SpaceTime with Stuart Gary Gary - Series 29 Episode 7
In this episode of SpaceTime, we delve into the intriguing possib...
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Sponsor Links:
This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click Here
SpaceTime with Stuart Gary Gary - Series 29 Episode 6
In this episode of SpaceTime, we explore groundbreaking discover...
This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click Here
SpaceTime with Stuart Gary Gary - Series 29 Episode 6
In this episode of SpaceTime, we explore groundbreaking discover...
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January 13, 2026 • 25 mins
Sponsor Link:
This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click Here
In this episode of SpaceTime, we uncover new evidence suggesting that dark matter may interact with neutrinos, a revel...
This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click Here
In this episode of SpaceTime, we uncover new evidence suggesting that dark matter may interact with neutrinos, a revel...
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January 9, 2026 • 20 mins
SpaceTime with Stuart Gary Gary - Series 29 Episode 4
In this episode of SpaceTime, we explore the latest revelations about supermassive black holes, the enigmatic interstellar comet 3I Atlas, and NASA's innovative tests on lunar surface interactions.
Do All Galaxies Host Supermassive Black Holes?
A groundbreaking study utilizing NASA's Chandra X-ray Observatory challenges the long-held belief that all galaxies harbor supermassive bla...
In this episode of SpaceTime, we explore the latest revelations about supermassive black holes, the enigmatic interstellar comet 3I Atlas, and NASA's innovative tests on lunar surface interactions.
Do All Galaxies Host Supermassive Black Holes?
A groundbreaking study utilizing NASA's Chandra X-ray Observatory challenges the long-held belief that all galaxies harbor supermassive bla...
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January 7, 2026 • 20 mins
SpaceTime with Stuart Gary Gary - Series 29 Episode 3
In this episode of SpaceTime, we delve into the latest discoveries in astrophysics and the challenges faced by space agencies worldwide.
Ancient Supernova Offers Clues to Dark Energy
Astronomers have made significant strides in understanding dark energy, the enigmatic force driving the universe's accelerated expansion. A newly observed supernova, located 10 billion light years away...
In this episode of SpaceTime, we delve into the latest discoveries in astrophysics and the challenges faced by space agencies worldwide.
Ancient Supernova Offers Clues to Dark Energy
Astronomers have made significant strides in understanding dark energy, the enigmatic force driving the universe's accelerated expansion. A newly observed supernova, located 10 billion light years away...
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January 5, 2026 • 29 mins
SpaceTime with Stuart Gary Gary - Series 29 Episode 2
In this episode of SpaceTime, we explore the intriguing history of our galaxy and the secrets of Earth's early water retention.
Unraveling the Milky Way's Chemical Bimodality
A groundbreaking study suggests that the Milky Way's stellar formation and its unique chemical bimodality may stem from intergalactic gas rather than traditional star formation or galactic collisions. Research...
In this episode of SpaceTime, we explore the intriguing history of our galaxy and the secrets of Earth's early water retention.
Unraveling the Milky Way's Chemical Bimodality
A groundbreaking study suggests that the Milky Way's stellar formation and its unique chemical bimodality may stem from intergalactic gas rather than traditional star formation or galactic collisions. Research...
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January 1, 2026 • 37 mins
SpaceTime with Stuart Gary Gary - Series 29 Episode 1
In this episode of SpaceTime, we delve into extraordinary cosmic phenomena and the ongoing exploration of our solar system.
Cosmic Matter Ejected at 20% the Speed of Light
Astronomers have made a groundbreaking observation of matter being ejected from a supermassive black hole at the center of the barred spiral galaxy NGC 3783, located 135 million light years away. This matter, pro...
In this episode of SpaceTime, we delve into extraordinary cosmic phenomena and the ongoing exploration of our solar system.
Cosmic Matter Ejected at 20% the Speed of Light
Astronomers have made a groundbreaking observation of matter being ejected from a supermassive black hole at the center of the barred spiral galaxy NGC 3783, located 135 million light years away. This matter, pro...
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December 30, 2025 • 25 mins
SpaceTime with Stuart Gary - Series 28 Episode 154
In this episode of SpaceTime, we explore significant milestones in lunar exploration and the latest challenges in space technology.
Accelerated Launch for Artemis 2
NASA has moved up the launch date for the historic Artemis 2 manned moon mission to early February, marking the first human journey to the moon in over 50 years since Apollo 17. The Orion spacecraft, named Integrity, will ...
In this episode of SpaceTime, we explore significant milestones in lunar exploration and the latest challenges in space technology.
Accelerated Launch for Artemis 2
NASA has moved up the launch date for the historic Artemis 2 manned moon mission to early February, marking the first human journey to the moon in over 50 years since Apollo 17. The Orion spacecraft, named Integrity, will ...
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December 29, 2025 • 21 mins
SpaceTime with Stuart Gary Gary - Series 28 Episode 153
In this episode of SpaceTime, we dive into thrilling new missions and groundbreaking discoveries in the universe.
Ramses Mission to Asteroid Apophis
The European Space Agency has greenlit an exciting new mission to study the infamous doomsday asteroid Apophis. The Ramses spacecraft will closely observe the 450-meter-wide asteroid as it makes a close flyby of Earth on April 13, 20...
In this episode of SpaceTime, we dive into thrilling new missions and groundbreaking discoveries in the universe.
Ramses Mission to Asteroid Apophis
The European Space Agency has greenlit an exciting new mission to study the infamous doomsday asteroid Apophis. The Ramses spacecraft will closely observe the 450-meter-wide asteroid as it makes a close flyby of Earth on April 13, 20...
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December 25, 2025 • 28 mins
In this episode of SpaceTime, we uncover groundbreaking astronomical events and the latest advancements in space exploration.
First Ever Super Kilonova Detected
Astronomers have made a significant discovery with the potential detection of the first ever super kilonova explosion. This extraordinary event, cataloged as AT 2025ULZ, is believed to have been triggered by a double supernova explosion, producing both gravitational waves and...
First Ever Super Kilonova Detected
Astronomers have made a significant discovery with the potential detection of the first ever super kilonova explosion. This extraordinary event, cataloged as AT 2025ULZ, is believed to have been triggered by a double supernova explosion, producing both gravitational waves and...
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December 24, 2025 • 23 mins
In this episode of SpaceTime, we explore significant advancements in space exploration and innovative scientific projects.
Perseverance Rover's New Journey
After nearly five years on Mars, NASA's Perseverance Rover is on the move again, heading to a new site on the rim of Jezero Crater named Lac du Charm. Having traversed over 40 kilometres and collected vital rock core samples, the rover is undergoing extensive evaluations to ensure...
Perseverance Rover's New Journey
After nearly five years on Mars, NASA's Perseverance Rover is on the move again, heading to a new site on the rim of Jezero Crater named Lac du Charm. Having traversed over 40 kilometres and collected vital rock core samples, the rover is undergoing extensive evaluations to ensure...
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December 21, 2025 • 26 mins
SpaceTime with Stuart Gary Gary - Series 28 Episode 150
In this episode of SpaceTime, we delve into intriguing discoveries and ongoing challenges in the realm of astrophysics and planetary science.
Cosmic Dance of Dying Stars
Astronomers have made fascinating observations of a unique star system named Apep, located over 8,000 light years away in the constellation Norma. This rare system consists of three massive stars locked in a 190-...
In this episode of SpaceTime, we delve into intriguing discoveries and ongoing challenges in the realm of astrophysics and planetary science.
Cosmic Dance of Dying Stars
Astronomers have made fascinating observations of a unique star system named Apep, located over 8,000 light years away in the constellation Norma. This rare system consists of three massive stars locked in a 190-...
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December 18, 2025 • 19 mins
In this episode of SpaceTime, we uncover groundbreaking discoveries and exciting celestial events that illuminate our understanding of the universe.
Earliest Supernova Ever Detected
Astronomers have achieved a remarkable milestone by detecting the earliest supernova ever observed, dating back to a mere 730 million years after the Big Bang. Using the powerful Webb Space Telescope, this supernova, cataloged as GRB250314A, emitted a gam...
Earliest Supernova Ever Detected
Astronomers have achieved a remarkable milestone by detecting the earliest supernova ever observed, dating back to a mere 730 million years after the Big Bang. Using the powerful Webb Space Telescope, this supernova, cataloged as GRB250314A, emitted a gam...
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