Home Podcasts SpaceTime with Stuart Gary
SpaceTime with Stuart Gary

SpaceTime with Stuart Gary

Stuart Gary 1000 Episodes Sep 25, 2026

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.

Episodes

Comet 3I ATLAS: Unveiling the Secrets of an Ancient Interstellar Wanderer
Comet 3I ATLAS: Unveiling the Secrets of an Ancient Interstellar Wanderer Sep 25, 2026 1358 SpaceTime Series 29 Episode 115 A comet older than the Sun Astronomers have found new clues about the origin of interstellar comet 3I/ATLAS suggesting it’s more than twice as old as the Sun and solar system. The nearby “Super Earth” that might be a candidate for life Astronomers have taken a closer look at a nearby exoplanet finding it may be more Earth-like than previously thought. A new way to
Space Warfare Unveiled: The US Space Force's Kinetic Capabilities and Venus's Lost Moon
Space Warfare Unveiled: The US Space Force's Kinetic Capabilities and Venus's Lost Moon Sep 23, 2026 1517 SpaceTime Series 29 Episode 114 United States Space Force confirms it has weapons in orbit The United States Space Force confirms it has weapons in orbit to protect America’s assets in space. Why a moon could not survive in orbit around Venus A new study claims a moon could not survive in orbit around Venus because of the planet’s unusually slow rotation. Water discovered near the galaxy’s Super
Solar Superflares and Gondwana's Legacy: Unpacking Earth's Cosmic Changes
Solar Superflares and Gondwana's Legacy: Unpacking Earth's Cosmic Changes Sep 21, 2026 1826 SpaceTime Series 29 Episode 113 New evidence of superflares on the Sun A new study has found that a giant sunspot observed back in 1947 had the potential to trigger a massive solar super flare. How Gondwana changes life on Planet Earth A new study has rewritten the evolution of one of planet Earth’s greatest ancient land masses, the super continent of Gondwana. The incredibly shrinking planet Me
Mercury Unveiled: BepiColombo's Approach and the Planet's Volcanic History
Mercury Unveiled: BepiColombo's Approach and the Planet's Volcanic History Sep 18, 2026 1176 SpaceTime Series 29 Episode 112 BepiColumbo on final approach to Mercury The BepiColumbo spacecraft Mercury Transfer Module has successfully separated from the main spacecraft, marking a major milestone in its eight year journey to the nearest plant to the Sun. Mercury’s crust formed by extreme volcanism A new study has shown that the planet Mercury’s crust was formed by extreme volcanism. Firs
Cosmic Revelations: 27 New Worlds and Saturn's Mysterious Decagonal Jet
Cosmic Revelations: 27 New Worlds and Saturn's Mysterious Decagonal Jet Sep 16, 2026 1418 SpaceTime Series 29 Episode 111 27 new Trans Neptunian Objects discovered in the outer solar system The first ever joint observation of Trans Neptunian objects by NASA’s Hubble and Webb space telescopes has discovered 27 new worlds in the dark outer reaches of the solar system. A decagon discovered at Saturn's south pole New observations by NASA's Hubble Space Telescope have revealed a giant, evo
Lunar Mysteries and Snowball Earth: Unraveling Cosmic Enigmas
Lunar Mysteries and Snowball Earth: Unraveling Cosmic Enigmas Sep 15, 2026 1864 SpaceTime Series 29 Episode 110 Lunar far side rocks rewriting history A new study claims the timing and intensity of asteroid bombardment across the lunar surface declined gradually, rather than being a short, intense burst of impacts as previously thought. The crystals that might have made Snow Ball Earth worse A new study claims planet Earth may have been pushed deeper into a global deep free
Comet Births and Neptune's Secrets
Comet Births and Neptune's Secrets Sep 11, 2026 1347 SpaceTime Series 29 Episode 109 Witnessing the birth of a comet More than 5 billion kilometres from Earth, an ancient icy object is slowly awakening as a distant frozen world known as a Centaur transforming into an active comet. New mysteries about the moons of Neptune A new study has revealed that three of Neptune's inner moons may be the shattered remains of ancient icy worlds. NASA’s Roman Spa
Molten Planets and Solar Storms: Unveiling Cosmic Wonders
Molten Planets and Solar Storms: Unveiling Cosmic Wonders Sep 9, 2026 2056 SpaceTime Series 29 Episode 108 Discovery of a new class of molten planet Astronomers have discovered a new type of molten planet beyond our Solar System. The mother of all solar storms New evidence in tree ring records is showing scientists that the Sun can become far more violent than previously thought. Two giant blobs of hot rock discovered on Earth’s core mantle boundary Scientists have dis
Dark Matter Signals and Lunar Origins: Exploring the Universe's Mysteries
Dark Matter Signals and Lunar Origins: Exploring the Universe's Mysteries Sep 8, 2026 1539 SpaceTime Series 29 Episode 107 Have scientists glimpsed a hint of dark matter A new analysis from the LUX-ZEPLIN experiment has recorded a particle interaction that scientists are having great difficulty explaining. A new scenario describing the birth of the Moon A new study claims the Earth’s Moon could have formed within just five hours of the giant planetary collision that formed the binary s
Discovering Blazars and SpaceX's New Spaceport
Discovering Blazars and SpaceX's New Spaceport Sep 4, 2026 1134 SpaceTime Series 29 Episode 106 The most distant Blazar ever seen Astronomers have detected the most distant blazar ever recorded. The blazar -- catalogued as OP 313 was detected some 8 billion light years away. Did the motion of an ocean carve Enceladus's tiger stripes? A new study suggests the iconic tiger stripes at the south pole of the Saturnian ice moon Enceladus may have been formed by ocea
Martian Waters and Cosmic Secrets: Unravelling Mars' Ancient Liquid History
Martian Waters and Cosmic Secrets: Unravelling Mars' Ancient Liquid History Sep 2, 2026 1422 SpaceTime Series 29 Episode 105 More evidence Mars once had liquid water More than 20 years after NASA's Mars Spirit rover landed on the red planet scientists have uncovered new evidence that suggests liquid water – essential for life as we know it -- may once have covered large parts of the Martian surface. Are mysterious little red dots hiding something big A new study claims mysterious Little
Martian Mysteries and Stellar Journeys: Unveiling the Red Planet's Thermal Anomaly
Martian Mysteries and Stellar Journeys: Unveiling the Red Planet's Thermal Anomaly Aug 31, 2026 1466 SpaceTime Series 29 Episode 104 Strange anomaly discovered below the Martian south pole Astronomers have discovered a strange thermal asymmetry deep beneath the surface of the Martian southern hemisphere. Starship bound for home Starship 40 has finally left Australian waters bound for home. The orbiter used for SpaceX test flight 13 has been loaded aboard the 48,000-tonne semi-submersible vessel F

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