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Universe Today Podcast

Fraser Cain
Universe Today Podcast
Latest episode

1628 episodes

  • 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
  • Universe Today Podcast

    [Interview+] Going Beyond Hubble and Roman to Find Planets With Atmospheres

    21/10/2026 | 37 mins.
    BONUS PART STARST AT 21:45
    Watch here (with no ads) or on YouTube: https://youtu.be/sx-qjgeslfQ
    A new mission that was just proposed to NASA is an extreme UV telescope that will observe hundreds of stars to find the conditions for planets with atmospheres. How exactly will it work? Finding out in this interview.
    Interview with Lee Feinberg about the HWO https://youtu.be/0R3ykUkxH5M?si=DhJxA32PyHr3ypUh
    Huge interview about TRAPPIST-1 system https://youtu.be/B8H4EnbKkgU?si=_mGhpuR5w2G0bCtX
    🟣 Guest: Dr. Allison Youngblood https://science.gsfc.nasa.gov/sci/bio/allison.a.youngblood
    📜 ESCAPE: a small explorer mission to study the stellar drivers of exoplanet evolution https://arxiv.org/pdf/2608.00683
    00:00 Intro

    02:19 M-dwarf stars and their planets

    07:10 ESCAPE mission

    17:27 Next steps

    21:45 TESS

    30:40 Current obsessions

    35:46 Final thoughts
  • Universe Today Podcast

    [Q&A+] Why Are There No Binary Planets?

    21/10/2026 | 21 mins.
    BONUS QUESTION STARTS AT 15:22
    Watch the video here (with no ads) or on YouTube: https://youtu.be/MhJFyC_vdtk
    Why are there no binary planets? Should you buy into dark energy and dark matter? What apps are best for stargazing? And in Q&A+, why don't NASA just bring put wipers on Mars solar panels?
    00:00 Intro

    00:25 [@EdSceptic-y2e] Why are there no binary planets?

    02:39 [@andrewczski1969] Do you buy into dark matter?

    08:46 [@alcalbg] Does total dark energy increase as space expands?

    10:11 [@Noonyuh] What are your favorite apps or sites for real-time maps of the sky?

    15:22 [@andrewczski1969] just couldn't send along swiffers, huh?

    20:00 Final thoughts
  • Universe Today Podcast

    [Space Bites+] Turns Out, Hypernovae Might Not Exist At All

    17/10/2026 | 19 mins.
    BONUS STORY STARTS AT 14:37
    Watch here (with no ads) or on YouTube: https://youtu.be/Qpthhx9svK8
    Do hypernovae actually exist? The science is in from the Artemis 2 mission. A second generation planet found around a white dwarf. Starship 40 finally makes it home. And Space Bites Plus, a red dwarf feasting on a brown dwarf.
    🔵 Vote for the best story here: https://www.youtube.com/@frasercain/posts
    00:00 Intro

    00:17 Hypernovae May Be All Hype, No Nova https://www.universetoday.com/articles/hypernovae-may-be-all-hype-no-nova

    02:19 Artemis 2 Lunar Science Report https://www.universetoday.com/articles/the-preliminary-lunar-science-report-for-artemis-ii-is-out

    04:00 Potential Second Generation Planet https://www.universetoday.com/articles/astronomers-detect-potential-second-generation-planet-around-dying-stellar-white-dwarf

    06:45 Supernova Remnant https://www.universetoday.com/articles/astronomers-uncover-more-intriguing-detail-in-an-ancient-supernova-remnant

    08:28 Vote results

    08:53 Primordial Helium https://www.universetoday.com/articles/primordial-helium-further-confirms-our-understanding-of-the-big-bang

    11:02 Ship 40 Made it Home

    11:53 Jupiter from Juno https://www.universetoday.com/articles/new-data-from-the-juno-spacecraft-reveals-that-jupiters-has-a-rippling-wavy-magnetodisk

    12:54 Limb Darkening on Other Stars https://www.universetoday.com/articles/astronomers-observe-the-limb-darkening-effect-on-nearby-stars

    14:37 Bonus story https://www.universetoday.com/articles/a-red-dwarf-is-taking-its-time-eating-a-brown-dwarf

    17:32 Final thoughts
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About Universe Today Podcast
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