Episodes

  • Dark Matter Detected: A Breakthrough in Cosmic Mystery and CHEOPS' Next Milestone

    Dark Matter Detected: A Breakthrough in Cosmic Mystery and CHEOPS' Next Milestone
    Dec 1 2025
    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 particle physics. If confirmed, this finding would represent one of the most significant developments in astronomy and physics to date.
    CHEOPS Spacecraft Nears Milestone
    The European Space Agency's CHEOPS (Characterizing Exoplanet Satellite) is approaching another milestone as it enters its sixth year of a mission initially planned for three and a half years. Launched in December 2019, CHEOPS aims to determine the size and characteristics of known exoplanets. With its 30-centimeter optical telescope, the spacecraft has been crucial in observing transiting exoplanets and will now extend its search to include exomoons, enhancing our understanding of planetary systems beyond our own.
    Disaster at Baikonur Cosmodrome
    A major disaster struck at the Baikonur Cosmodrome during the launch of the Soyuz MS.28 spacecraft to the International Space Station. The mobile service platform collapsed due to the rocket's exhaust plume, resulting in significant damage to the launch pad. This incident leaves Russia without a functional facility for manned space missions for the first time in 60 years, delaying upcoming launches and posing challenges for future missions.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Journal of Cosmology and Astroparticle Physics
    European Space Agency Reports
    NASA News Releases
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
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    27 mins
  • Interstellar Insights: Tracking Comet 3I/Atlas and the Ganon Superstorm's Impact on Earth

    Interstellar Insights: Tracking Comet 3I/Atlas and the Ganon Superstorm's Impact on Earth
    Nov 28 2025
    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 planetary defense efforts.
    Geomagnetic Superstorm Ganon's Impact on Earth's Plasma Sphere
    A recent study reveals how the geomagnetic superstorm Ganon dramatically compressed Earth's plasmasphere, reducing its size to just a fifth of its normal extent. This event, which occurred in May 2024, provides crucial insights into the effects of extreme space weather on our planet's protective layers. The findings will enhance solar storm forecasts and help safeguard satellites and communication systems during such events.
    Delays for the Dream Chaser Spaceplane
    Sierra Space's Dream Chaser spaceplane faces further delays, now expected to launch its first orbital flight in approximately a year. Originally designed for crew transport, the spacecraft is now slated for resupply missions to the International Space Station. Despite setbacks, recent tests have demonstrated its systems' readiness for future operations, although challenges remain as the ISS's operational life nears its end.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Earth Planets and Space Journal
    Journal of the American Chemical Society
    NASA Reports
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
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    25 mins
  • Cosmic Speedsters: Unravelling Our Solar System's Surprising Velocity and Enceladus' Organic Secrets

    Cosmic Speedsters: Unravelling Our Solar System's Surprising Velocity and Enceladus' Organic Secrets
    Nov 26 2025
    (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 life. These massive formations, known as large low shear velocity provinces and ultra low velocity zones, reside at the boundary between the mantle and outer core, approximately 2,900 kilometres beneath the surface. The research suggests these anomalies could be remnants of Earth's formative processes, providing a deeper understanding of how elements from the core influenced the planet's cooling, volcanic activity, and atmospheric evolution, ultimately setting Earth apart from Venus and Mars.
    Unprecedented View of the Milky Way
    Astronomers have achieved a remarkable new perspective of our home galaxy, the Milky Way, with the largest low-frequency radio image ever assembled. This extensive survey, conducted using the Murchison Wide Field Array radio telescope in Western Australia, captures the intricate birth, evolution, and demise of stars across the southern hemisphere. The new image, which boasts double the resolution and tenfold sensitivity compared to previous observations, offers valuable insights into stellar interactions and the cosmic landscape, revealing patterns in star formation and supernova remnants.
    Successful Return of Stranded Taikonauts
    In a significant development, the three Chinese taikonauts stranded in orbit after their Shenzhou 20 spacecraft was struck by space debris have safely returned to Earth aboard the Shenzhou 21 capsule. The crew's return marks the end of a six-month mission at the Tiangong space station, with their extended stay setting a new record for the longest duration in space for Chinese astronauts. The episode highlights the challenges of space travel and the rapid response by Beijing to ensure crew safety.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Nature Geoscience
    Publications of the Astronomical Society of Australia
    New England Journal of Medicine
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
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    19 mins
  • Cosmic Clues Beneath Us: The Mantle's Role in Life and the Milky Way Unveiled

    Cosmic Clues Beneath Us: The Mantle's Role in Life and the Milky Way Unveiled
    Nov 24 2025
    (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 about why our planet evolved the conditions necessary for life. These massive formations, known as large low shear velocity provinces and ultra low velocity zones, reside at the boundary between the mantle and outer core, approximately 2,900 kilometres beneath the surface. The research suggests these anomalies could be remnants of Earth's formative processes, providing a deeper understanding of how elements from the core influenced the planet's cooling, volcanic activity, and atmospheric evolution, ultimately setting Earth apart from Venus and Mars.
    Unprecedented View of the Milky Way
    Astronomers have achieved a remarkable new perspective of our home galaxy, the Milky Way, with the largest low-frequency radio image ever assembled. This extensive survey, conducted using the Murchison Wide Field Array radio telescope in Western Australia, captures the intricate birth, evolution, and demise of stars across the southern hemisphere. The new image, which boasts double the resolution and tenfold sensitivity compared to previous observations, offers valuable insights into stellar interactions and the cosmic landscape, revealing patterns in star formation and supernova remnants.
    Successful Return of Stranded Taikonauts
    In a significant development, the three Chinese taikonauts stranded in orbit after their Shenzhou 20 spacecraft was struck by space debris have safely returned to Earth aboard the Shenzhou 21 capsule. The crew's return marks the end of a six-month mission at the Tiangong space station, with their extended stay setting a new record for the longest duration in space for Chinese astronauts. The episode highlights the challenges of space travel and the rapid response by Beijing to ensure crew safety.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Nature Geoscience
    Publications of the Astronomical Society of Australia
    New England Journal of Medicine
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
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    20 mins
  • Exploring Mars and Beyond: The Escapade Mission and the Expanding Mysteries of the Pleiades

    Exploring Mars and Beyond: The Escapade Mission and the Expanding Mysteries of the Pleiades
    Nov 23 2025
    (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 Escapade spacecraft, aboard Blue Origin's New Glenn rocket. This innovative mission aims to map the Martian magnetic field and atmosphere in three dimensions, providing crucial insights into how Mars lost its atmosphere and the conditions necessary for future human colonization. The twin probes, named Blue and Gold, will utilize a unique trajectory that allows for flexible launch windows, crucial for future resupply missions to Mars.
    The Pleiades Star Cluster: A Greater Cosmic Structure
    New research has revealed that the Pleiades star cluster is significantly larger than previously thought, forming the core of an expansive stellar complex that spans nearly 2,000 light years. This groundbreaking study combines data from multiple space missions, providing a clearer picture of the Pleiades' origins and its connection to other stellar groups, reshaping our understanding of star formation and migration across the galaxy.
    Debate Over Interstellar Comet 3I Atlas Continues
    The ongoing debate regarding the origins of interstellar comet 3I Atlas is addressed, as evidence increasingly supports its classification as a comet rather than an alien spacecraft. This segment explores the comet's characteristics, trajectory, and the scientific explanations behind its unusual features, reaffirming its status as a natural celestial object.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Astrophysical Journal
    NASA Reports
    University of California Research
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
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    23 mins
  • Ancient Rocks and Cosmic Forces: Exploring Earth's Origins and the Hunt for a Fifth Force

    Ancient Rocks and Cosmic Forces: Exploring Earth's Origins and the Hunt for a Fifth Force
    Nov 19 2025
    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 existing theories about the timing of crustal development and provide new insights into the early geological processes that shaped our planet.
    Hints of a Possible Fifth Force in Nature
    A groundbreaking report has emerged, suggesting the potential existence of a fifth fundamental force of nature. Researchers have observed unexpected deviations in electron transitions among calcium isotopes, hinting at a new particle, the Yukawa boson. This discovery could reshape the standard model of particle physics and deepen our understanding of the universe's fundamental forces, as scientists continue to explore the mysteries of atomic interactions.
    Record-Breaking Ocean Waves Observed from Space
    In an astonishing revelation, satellites have recorded ocean waves reaching heights of nearly 20 metres, the largest ever measured from space. This episode explores how these massive waves, driven by storms, can carry destructive energy across vast distances, impacting coastlines far from the storm's origin. The findings not only validate existing wave models but also reveal new insights into the energy dynamics of ocean swells.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Nature Communications
    Physical Review Letters
    Proceedings of the National Academy of Sciences
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
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    29 mins
  • Auroras and Cosmic Craters: Unveiling Earth's Spectacular Space Weather and Impact Discoveries

    Auroras and Cosmic Craters: Unveiling Earth's Spectacular Space Weather and Impact Discoveries
    Nov 17 2025
    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 as far north as Cairns and even Florida.
    Largest Modern Impact Crater Discovered
    Scientists have uncovered what is believed to be the largest modern impact crater on Earth, the 900-metre-wide Jinling Crater in southern China. This well-preserved structure, dating back to the Holocene epoch, offers new insights into extraterrestrial impacts and their effects on our planet. The discovery challenges previous assumptions about the frequency and scale of impacts from small celestial bodies and highlights the importance of studying such geological features.
    Nasa's Key Communications Dish Out of Service
    In a significant setback for NASA, the 70-metre Goldstone deep space communications dish has been rendered inoperable due to an accident that occurred in September. The incident has raised concerns about the strain on NASA's Deep Space Network, especially with upcoming missions like Artemis 2. We discuss the implications of this loss for various space missions and the efforts being made to mitigate the impact on communications.
    The Science Robert
    In our science report, we highlight a new projection from the World Meteorological Organisation indicating that 2025 is unlikely to be the hottest year on record, but it will rank among the top three. We also address public health concerns surrounding a measles alert in Australia, linked to declining vaccination rates, and the potential resurgence of preventable diseases. This segment underscores the importance of vaccination in maintaining herd immunity and protecting public health.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Journal of Geophysical Research
    Nature Communications
    World Meteorological Organisation Reports
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
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    24 mins
  • Cosmic Beginnings and Stellar Discoveries: Unveiling the First Stars and Secrets of the Moon

    Cosmic Beginnings and Stellar Discoveries: Unveiling the First Stars and Secrets of the Moon
    Nov 14 2025
    (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
    Astronomers may have finally glimpsed the universe's first stars, known as Population 3 stars, thanks to observations from NASA's Webb Space Telescope. These luminous giants, formed just 200 million years after the Big Bang, are believed to have ended the cosmic dark ages and initiated the epoch of reionisation. The episode delves into the significance of these findings, which suggest that these stars were formed in small clusters and exhibit extremely low metallicity, challenging previous theories about the early universe.
    Secrets of the Moon Revealed
    Two NASA studies have provided fascinating insights into the Moon's internal structure through advanced gravity modelling. By analysing data from the GRAIL mission, researchers have created the most detailed gravitational map of the Moon to date, revealing variations linked to tidal deformation. This research offers clues about the Moon's geological history and volcanic activity, particularly highlighting differences between the near and far sides of the Moon.
    New Insights into Asteroid Vesta
    In a parallel study, scientists examined the asteroid Vesta's structure using data from NASA's Dawn spacecraft. Contrary to earlier beliefs of a layered interior, new measurements suggest Vesta may have a more uniform composition, with only a small core, if any. This revelation challenges long-held assumptions about the formation and evolution of this ancient asteroid.
    Euclid Space Telescope's Stellar Nursery Observations
    The European Space Agency's Euclid Space Telescope has peered into the dark cloud LDN 1641, uncovering a vibrant stellar nursery filled with young stars. This segment discusses the significance of Euclid's observations, which not only aid in fine-tuning the telescope's capabilities but also contribute to our understanding of star formation and the cosmos.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Astrophysical Journal Letters
    Nature
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
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    22 mins