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Universe Today Podcast

Fraser Cain
Universe Today Podcast
Latest episode

1631 episodes

  • Universe Today Podcast

    [Space Bites+] Vera Rubin Finally Delivers Its First Big Discovery

    30/10/2026 | 28 mins.
    BONUS STORY STARTS AT 23:19
    Watch here (with no ads) or on YouTube:
    Vote for the best story here: https://www.youtube.com/@frasercain/posts
    Vera Rubin finds a new dwarf planet, while Webb sees dwarf planets colliding in another system, Valles Marineris might still be volcanically active, and Hera gets its first picture of Didymus and Dimorphus. And on Space Bites+, a planet that shouldn't have an atmosphere, but does.
    Matt’s METI series
    Part 1: https://www.universetoday.com/articles/a-brief-ish-history-of-meti-part-i-early-ideas-and-experiments

    Part 2: https://www.universetoday.com/articles/a-brief-ish-history-of-meti-part-ii-from-interplanetary-to-interstellar

    Timecodes:
    00:00 Intro

    00:21 Rubin’s First Dwarf Planet Candidate https://www.universetoday.com/articles/the-rubin-observatory-finds-its-first-dwarf-planet-candidate

    02:56 Colliding Dwarf Planets https://www.universetoday.com/articles/colliding-dwarf-planets-created-a-cats-tail-1000-astronomical-units-long

    05:54 Dead Planets Orbiting a Dead Star https://www.universetoday.com/articles/dead-planets-orbiting-a-dead-star

    08:54 Largest Canyon in The Solar System is Still Active https://www.universetoday.com/articles/the-largest-canyon-in-the-solar-system-is-still-tectonically-active

    11:23 Even More Evidence of The BetelBuddy https://www.universetoday.com/articles/betelgeuse-is-disturbed-by-its-companion-star

    13:17 Vote results

    13:43 NASA’s Next UV Telescope https://www.universetoday.com/articles/nasas-new-uv-space-telescope-will-launch-in-2031

    17:38 Potential Targets For The Lazuli Private Telescope https://www.universetoday.com/articles/27-exoplanet-targets-for-the-worlds-first-private-space-telescope

    20:07 Hera’s Almost There https://www.esa.int/Space_Safety/Hera/First_light_Hera_resolves_two_asteroids_instead_of_one

    21:32 More space news https://www.universetoday.com/articles/a-brief-ish-history-of-meti-part-i-early-ideas-and-experiments

    23:19 Bonus story https://www.universetoday.com/articles/this-oddbal-reflective-lava-world-is-challenging-to-understand

    26:06 Final thoughts
  • Universe Today Podcast

    [Q&A+] Space Lasers VS Space Nukes

    29/10/2026 | 18 mins.
    BONUS QUESTION STARTS AT 13:12
    Watch the video here (with no ads) or on YouTube: https://youtu.be/DCUndRxFz7M
    00:00 Intro

    00:26 [@iancudmore9795] when do we get research on what low G does to our health as compared to micro gravity?

    05:27 [@JacobBouchard] Could we use Buoyancy Tests to simulate low gravity?

    07:28 [@604Nighthawk] and can humanity breed in low gravity?

    08:28 [@alextruffle] Space nukes vs space lasers

    12:06 [@kimbarron4239] Could you 'drop' a bomb from orbit?

    13:12 [@alextruffle] What is the next upcoming best celestial event that can be seen with the naked eye?

    16:59 Final thoughts
  • Universe Today Podcast

    [Q&A+] Exciting Telescopes Coming After JWST and Roman

    28/10/2026 | 21 mins.
    BONUS QUESTION STARTS AT 15:25
    Watch the video here (with no ads) or on YouTube: https://youtu.be/YLR1oYfXD3Q
    Which cool telescopes are coming after Nancy Grace Roman? Is the Planet 9 data already taken and is waiting to be discovered? Do we have the supermassive black hole or does it have us? And in Q&A+, is there anything in the Universe that's static?
    00:00 Intro

    00:27 [@iancudmore9795] Next telescopes to be excited about

    07:34 [@smkolins] Any update on Vera Rubin pics for the public?

    10:39 [@darthex0] do we have a supermassive black hole in the milky way, or does it have us? 11:59 [@joeyhoser] Is planet 9 already in the Rubin data?

    14:02 [@Frosty.Winnipeg] So someone with Vera Rubin gets to name it right?

    16:25 Final thoughts
  • Universe Today Podcast

    [Space Bites+] "Impossible" Green Stars Might Actually Exist

    23/10/2026 | 28 mins.
    BONUS QUESTION STARTS AT 20:35
    Watch here (with no ads) or on YouTube: https://youtu.be/B9P_8oZ4rCA
    The Japanese mission is off to Phobos. Actually, there are green stars. Explaining the most mysterious cloud on Mars. Euclid discovers a comet. And in Space Bites+, how the shrinking Moon could be a danger for astronauts.
    00:00 Intro

    00:17 MMX Goes to Mars https://www.universetoday.com/articles/jaxas-martian-moons-exploration-mission-is-on-its-way-to-mars-and-phobos

    03:09 Self-Interacting Dark Matter https://www.universetoday.com/articles/a-distant-supercluster-of-galaxies-points-to-self-interacting-dark-matter

    06:25 Actually, there are Green Stars https://warwick.ac.uk/news/pressreleases/astronomers-reveal-true-colours-of-white-dwarf-stars/

    08:08 Mars’s Most Mysterious Cloud https://www.universetoday.com/articles/marss-most-mysterious-cloud-might-be-defying-textbook-cloud-physics

    10:06 Euclid Discovers a Comet https://www.universetoday.com/articles/the-esas-euclid-space-telescope-has-discovered-a-new-comet

    12:21 How the Milky Way's Disk Formed https://www.universetoday.com/articles/a-stubborn-question-answered-new-research-reveals-how-the-milky-ways-disk-formed

    14:40 Vote results

    15:06 Microblazar Confirmed https://www.universetoday.com/articles/achievement-unlocked-microblazar-confirmed

    17:39 Cool pictures https://www.universetoday.com/articles/webb-captures-stars-in-the-early-stages-of-life-in-a-nearby-stellar-nursery https://noirlab.edu/public/news/noirlab2625/?lang

    20:35 Bonus story https://www.universetoday.com/articles/the-moon-is-still-shrinking-as-it-cools-that-could-create-a-hazard-for-lunar-mission

    23:59 Final thoughts
  • Universe Today Podcast

    [Q&A+] Was the UN-Observable Universe Always UN-Reachable?

    23/10/2026 | 19 mins.
    BONUS QUESTION STARTS AT 14:54
    Watch the video here (with no ads) or on YouTube: https://youtu.be/a0t-G4LKiMU
    What does "the present" mean in space? Why do we have the laws of Physics we have? Was there a rime when all the Universe was accessible? And in Q&A+, are all black holes perfect spheres?
    00:00 Intro

    00:25 [@idodekkers9165] Was there a time when all the universe was visible?

    06:02 [@madmillion91920110] Does the 'present' actually mean anything a cosmic scale?

    09:42 [@LDEKSOCH] Why these particular laws of physics?

    14:54 [@georgegherghinescu] Do event horizons of fast rotating black holes have a flattened sphere shape?

    17:43 Final thoughts
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