Episodes

  • Primordial Black Holes and Saturn's Ring Origins: Unveiling Cosmic Mysteries

    Primordial Black Holes and Saturn's Ring Origins: Unveiling Cosmic Mysteries
    Feb 20 2026
    SpaceTime with Stuart Gary Gary - Series 29 Episode 22
    In this episode of SpaceTime, we delve into the formation of the universe's most enigmatic objects, explore the origins of Saturn's iconic rings, and get updates on NASA's Artemis 2 mission.
    Black Holes and Exotic Cosmic Structures
    A groundbreaking study suggests that some of the universe's most exotic entities, including black holes and cannibal stars, may have formed just seconds after the Big Bang. Researchers from the International School of Advanced Studies propose that subatomic particles condensed into halos of matter, which then collapsed to create these fascinating cosmic structures. Their findings, published in Physical Review D, indicate that even in the earliest moments of the universe, complex physical phenomena were already taking shape, paving the way for our understanding of cosmic evolution.
    The Formation of Saturn's Rings
    New research proposes that Saturn's largest moon, Titan, may have formed from the collision of two older moons, potentially linking this event to the creation of Saturn's spectacular ring system. The study, reported in the Planetary Science Journal, utilizes computer simulations to explore the dynamics of Saturn's moons and their interactions, suggesting that Titan's merger could explain its unique orbit and the age of the rings, estimated to be around 100 million years.
    NASA's Artemis 2 Mission Update
    Following the recent scrubbing of the Artemis 2 launch due to hydrogen leaks, NASA has made significant repairs and is preparing for another attempt. Engineers have replaced seals in the mobile launcher's umbilical area and are conducting further testing to ensure the rocket's readiness. With multiple launch windows available in March, the Artemis 2 mission aims to test key systems aboard the Orion spacecraft, setting the stage for future lunar exploration and the eventual return of humans to the Moon.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Physical Review D, Planetary Science Journal
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    23 mins
  • Exploring Life's Potential on the Red Planet and Saturn's Tiny Moon

    Exploring Life's Potential on the Red Planet and Saturn's Tiny Moon
    Feb 18 2026
    SpaceTime with Stuart Gary Gary - Series 29 Episode 21
    In this episode of SpaceTime, we explore intriguing revelations about the search for life on Mars, the surprising effects of Saturn's moon Enceladus on its planet, and the monumental volcanic events that reshaped Earth's tectonic landscape.
    Life on Mars: A New Perspective
    Recent findings suggest that non-biological processes cannot fully explain the organic compounds found in Martian regolith samples collected by NASA's Curiosity rover. Published in the journal Astrobiology, the study indicates that life may have contributed to some of these compounds, challenging previous assumptions. The research involved evaluating potential non-biological sources and concluded that the abundance of organics on Mars could hint at past life, sparking renewed interest in the Red Planet's potential habitability.
    Enceladus' Electromagnetic Influence
    A fascinating study reveals that Saturn's icy moon Enceladus trails a wake of electromagnetic ripples extending over half a million kilometers, significantly influencing its giant host planet. Data from NASA's Cassini mission demonstrated how Enceladus' geysers contribute to energy and momentum circulation within Saturn's magnetic environment, marking a crucial discovery about the moon's role in the Saturnian system.
    Earth's Volcanic History
    New research highlights how Earth's largest volcanic event, associated with the Ontong Java Plateau, dramatically altered a major tectonic plate. The findings suggest that extensive volcanic activity led to significant physiochemical modifications within the oceanic plate, enhancing our understanding of plate formation processes and the environmental impacts of such massive eruptions.
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    ✍️ Episode References
    Astrobiology, Geophysical Research Space Physics, Geophysical Research Letters
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    25 mins
  • Earth's Core Secrets and Solar Neutrinos: Unveiling the Mysteries of Our Planet and the Sun

    Earth's Core Secrets and Solar Neutrinos: Unveiling the Mysteries of Our Planet and the Sun
    Feb 17 2026
    In this episode of SpaceTime, we dive into groundbreaking research revealing the true composition of the Earth's core, explore new insights into solar neutrinos, and uncover the complexities of Martian volcanoes.
    Earth's Core Contains Vast Hydrogen Reservoir
    A recent study published in Nature Communications indicates that Earth's core may hold up to 45 oceans' worth of hydrogen, challenging the long-held belief that water on our planet primarily came from asteroids and comets. Utilizing advanced laboratory techniques, researchers simulated the extreme conditions of the core to uncover its surprising hydrogen content, suggesting a significant internal source of water far beyond previous estimates.
    Neutrinos from the Sun's Core
    A new dark matter experiment has successfully detected neutrinos originating from the Sun's core, marking a significant milestone in our understanding of these elusive particles. The LZ experiment at the Sanford Underground Research Facility captured signals from Brian 8 solar neutrinos, providing valuable data on solar processes and setting new limits for dark matter research. This breakthrough highlights the potential of neutrino studies in unraveling the mysteries of both dark matter and stellar dynamics.
    Complexity of Martian Volcanoes
    New findings published in Geology reveal that young Martian volcanoes are far more complex than previously thought. Researchers have discovered that these volcanoes were shaped by long-lasting and evolving magma systems rather than single eruptions. By analyzing surface features and mineral compositions from orbit, scientists have reconstructed the intricate eruptive history of these volcanic systems, shedding light on the Red Planet's geological past.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Nature Communications, Geology
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.
    (00:00:00) New study reveals Earth's core may contain vast amounts of hydrogen
    (00:08:30) Breakthrough in solar neutrino detection from the Sun's core
    (00:16:45) Insights into the complex eruptive history of Martian volcanoes
    (00:25:00) Science report: The link between caffeine consumption and reduced dementia risk
    (00:32:15) Study on the frequency of passionate love experiences in humans
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    32 mins
  • Black Hole Explosions and Martian Water Loss: Unraveling Cosmic Mysteries and Planetary Secrets

    Black Hole Explosions and Martian Water Loss: Unraveling Cosmic Mysteries and Planetary Secrets
    Feb 13 2026
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    SpaceTime with Stuart Gary Gary - Series 29 Episode 19
    In this episode of SpaceTime, we explore astonishing discoveries in astrophysics, planetary science, and aerospace engineering.
    Astronomers Observe Possible Black Hole Explosion
    Astronomers are investigating what could be the first ever observation of a black hole explosion. A recent study published in Physical Review Letters suggests that the mysterious high-energy neutrino detected in 2023 may have originated from a quasi-extremal primordial black hole. This type of black hole, theorized to exist since the Big Bang, could explain the otherwise unexplainable energy levels of the neutrino and potentially unlock the secrets of dark matter and the fundamental nature of the universe.
    Mars' Dust Storms and Water Loss
    New research published in Communications Earth and Environment reveals that localized dust storms on Mars may play a significant role in the planet's water loss. While Mars is currently a dry desert, evidence from its surface indicates a wetter past. The study shows that intense dust storms can transport water vapor to higher altitudes, facilitating its escape into space, thus contributing to the long-standing mystery of Martian water depletion.
    Plasma Daniel for Hypersonic Testing
    A groundbreaking facility known as the plasma tunnel is now being used by scientists and engineers to simulate the extreme conditions spacecraft face during atmospheric reentry. The plasma tunnel generates high-speed plasma flows that mimic the intense heat and pressure experienced during reentry, providing critical data for developing safer and more efficient spacecraft. This innovative technology could revolutionize our understanding of hypersonic flight and enhance mission safety for future space exploration.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Physical Review Letters, Communications Earth and Environment
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.
    (00:00:00) Astronomers investigate a potential black hole explosion
    (00:07:15) New study reveals how dust storms on Mars contribute to water loss
    (00:15:30) The plasma tunnel: recreating atmospheric reentry conditions
    (00:22:45) Science report: Genetic factors influencing life expectancy
    (00:30:00) Bigfoot sightings and cultural phenomena in America
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    24 mins
  • Dark Matter's Role and Lunar Mysteries: Unraveling the Secrets of Our Galaxy and Moon's Interior

    Dark Matter's Role and Lunar Mysteries: Unraveling the Secrets of Our Galaxy and Moon's Interior
    Feb 11 2026
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    SpaceTime with Stuart Gary Gary - Series 29 Episode 18
    In this episode of SpaceTime, we explore groundbreaking theories about the nature of dark matter, the thermal differences between the lunar far and near sides, and new revelations regarding Jupiter's dimensions.
    Dark Matter's Role in the Milky Way
    A new study suggests that dark matter could be the driving force behind the gravitational dynamics of our Milky Way galaxy. Researchers propose that a clump of fermionic dark matter might exert similar gravitational influence as the supermassive black hole at the galaxy's center, Sagittarius A. This theory challenges conventional understanding and is supported by data from the European Space Agency's Gaia mission, which mapped the galaxy's outer halo and rotational curve, indicating a potential new model for understanding galactic structures.
    Lunar Far Side's Cooler Interior
    Recent findings published in Nature Geoscience indicate that the lunar far side may be significantly cooler than the near side. Analyzing samples collected by China's Chang'e 6 mission, scientists discovered that the far side's regolith formed from lava at temperatures approximately 100 degrees Celsius lower than those from the near side. This study provides insight into the Moon's geological history and the uneven distribution of heat-producing elements, which may have resulted from ancient impacts or tidal forces from Earth.
    Jupiter's Slimmer Profile
    New measurements from NASA's Juno mission reveal that Jupiter is actually slimmer than previously thought, being about 8 kilometers narrower at the equator and 24 kilometers flatter at the poles. These findings refine our understanding of the gas giant's shape and have implications for models of planetary formation and evolution. The data also sheds light on Jupiter's atmospheric dynamics, including its powerful winds and cyclones, enhancing our knowledge of gas giants both within our solar system and beyond.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Monthly Notices of the Royal Astronomical Society, Nature Geoscience, Nature Astronomy
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.
    (00:00:00) New study claims that mysterious substance called dark matter could be powering our Milky Way
    (00:08:01) New study suggests lunar far side may be a little bit colder than near side
    (00:12:52) Space Time is brought to you by Squarespace. com spacetime
    (00:14:23) New measurements based on NASA's Juno mission reveal Jupiter is much smaller than previously thought
    (00:18:16) People with depressive personalities far more likely to have sexual fantasies, study finds
    (00:20:34) New test shows artificial intelligence chatbot admitting it would kill to save itself
    (00:27:09) Already we have security companies treating AI chatbots like humans
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    30 mins
  • Solar Storms and Artemis Delays: Navigating the Fury of the Sun and Lunar Ambitions

    Solar Storms and Artemis Delays: Navigating the Fury of the Sun and Lunar Ambitions
    Feb 9 2026
    Sponsor Links:
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    SpaceTime with Stuart Gary Gary - Series 29 Episode 17
    In this episode of SpaceTime, we delve into the recent powerful solar storm that has impacted Earth, the delay of NASA's Artemis 2 manned moon mission, and China's ambitious plans for a futuristic orbital space carrier.
    Massive Solar Storm Hits Earth
    The sun has unleashed a barrage of solar eruptions, including 41 N-class flares and six X-class flares, with an X8.1 class flare setting a new record for 2026. This storm is described as the strongest radiation event in 20 years, with scientists noting its potential similarity to the historic 1859 Carrington event. The solar activity has disrupted radio communications and produced stunning auroras, while the sun continues its 11-year solar cycle.
    Nasa's Artemis 2 Mission Delayed
    NASA has postponed the launch of its Artemis 2 manned moon mission due to fuel leaks during a critical launch rehearsal. The mission aims to send a crew of four aboard an Orion spacecraft on a 10-day journey around the moon. The delays stem from issues with the SLS rocket's hydrogen tanks and other technical challenges, with new launch windows opening in March.
    China's Orbital Space Carrier Plans
    China has announced plans for a Star Wars-style orbital space carrier named Luanio, designed to deploy hypersonic missiles and unmanned stealth drones. This massive spacecraft would be part of an ambitious defense system, although the technology to build such a vehicle is still in the realm of science fiction. The announcement comes amid tensions between the U.S. and China regarding military advancements.
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    31 mins
  • Europa's Ice Shell and Planet Nine: Unveiling the Thickness of Frozen Worlds and Cosmic Oddities

    Europa's Ice Shell and Planet Nine: Unveiling the Thickness of Frozen Worlds and Cosmic Oddities
    Feb 7 2026
    SpaceTime with Stuart Gary Gary - Series 29 Episode 16
    In this episode of SpaceTime, we dive into groundbreaking revelations about Europa's ice shell, explore new evidence for the existence of a potential Planet Nine, and discuss a significant advancement in quantum physics that challenges the Heisenberg Uncertainty Principle.
    Europa's Ice Shell Thickness Revealed
    Data from NASA's Juno mission has provided the first insights into the thickness of Europa's icy crust, estimating it to be around 29 kilometers. This measurement comes from Juno's 2022 flyby, where the spacecraft utilized its microwave radiometer to analyze the moon's surface temperature and characteristics. The findings suggest that beneath this thick ice lies a global ocean of liquid water, potentially harboring the ingredients necessary for life. Understanding the ice shell's structure is crucial for future missions, including NASA's Europa Clipper, set to arrive in 2030.
    The Case for Planet Nine
    A new study published in Nature Astronomy presents fresh simulations suggesting that wide-orbit planets, like the hypothesized Planet Nine, could be a natural outcome of chaotic early planetary systems. Researchers found that during turbulent phases of stellar formation, planets can be flung into distant orbits rather than being ejected entirely. This work offers a 40% chance that a Planet Nine-like object exists, providing a promising avenue for future exploration as telescopes become more capable of surveying the distant solar system.
    Advancements in Quantum Physics
    In a remarkable breakthrough, physicists have demonstrated a method to sidestep the Heisenberg Uncertainty Principle, allowing for simultaneous precise measurements of a particle's position and momentum. This innovative approach, detailed in Science Advances, could pave the way for ultra-precise sensor technologies across various fields, including navigation and astronomy. The study redefines the boundaries of quantum measurement, offering new possibilities for scientific exploration.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Nature Astronomy
    Science Advances
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    20 mins
  • Mercury's Hidden Activity and Titan's Dragonfly: Exploring Volatile Streaks and Robotic Rotocopters

    Mercury's Hidden Activity and Titan's Dragonfly: Exploring Volatile Streaks and Robotic Rotocopters
    Feb 4 2026
    SpaceTime with Stuart Gary Gary - Series 29 Episode 15
    In this episode of SpaceTime, we uncover intriguing discoveries about Mercury's geological activity, NASA's innovative Dragonfly mission to Titan, and the environmental impacts of rocket fuel pollution.
    Mercury's Surprising Streaks
    A new study reveals bright streaks, or lineae, on Mercury's surface, suggesting the planet is not as geologically inactive as previously thought. Researchers from the University of Bern utilized machine learning to analyze over 100,000 images from NASA's MESSENGER spacecraft, discovering that these streaks are likely caused by the outgassing of volatile materials from beneath Mercury's crust. This finding indicates ongoing geological processes and will be further explored by the BepiColombo mission, set to reach Mercury later this year.
    NASA's Dragonfly Mission to Titan
    NASA is developing the Dragonfly, a car-sized rotocopter designed to explore Saturn's moon Titan, which features methane and ethane lakes. Scheduled for launch in 2028, Dragonfly will utilize Titan's dense atmosphere to fly to various locations, examining environments that may harbor organic materials essential for life. The mission builds on the success of the Ingenuity rotocopter on Mars, with extensive testing underway to ensure optimal performance in Titan's unique conditions.
    Rocket Fuel Pollution and the Ozone Layer
    A recent study highlights the damaging effects of burning rocket fuels, such as kerosene, on Earth's ozone layer. The report indicates that the rapid growth of the rocket launch industry is exacerbating this issue, particularly affecting regions like Antarctica and parts of Australia. Researchers are calling for restrictions on the use of these fuels to mitigate environmental harm.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Nature Communications, Earth and Environment
    Climate and Atmospheric Science
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
    (00:00:00) Streaks on the surface of Mercury suggesting it's not quite dead yet
    (00:11:13) Burning rocket fuel damages Earth's ozone layer, study finds
    (00:12:28) A new study claims cyber attacks can spark intense social media discussions
    (00:14:53) Apple bans anti woke Holly Valent song from iTunes in Australia
    (00:16:39) Apple has now had hypertension notifications authorized by the TGN
    (00:18:04) Space Time is available every Monday, Wednesday and Friday through bitesz. com
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    19 mins