Podcasts · Science

Universe Today Podcast

Fraser Cain

300 episodes

Public feed with [Space Bites+], [Q&A+], [Interview+] and other episodes. Free for everyone.

Episodes page 1 of 6

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

    · 28 min

    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…

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

    · 20 min

    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…

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

    · 37 min

    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…

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

    · 22 min

    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…

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

    · 20 min

    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…

  6. [Q&A+] Should We Still Be Worried About The Apophis Asteroid?

    · 22 min

    BONUS QUESTION STARTS AT 14:25 Watch the video here (with no ads) or on YouTube: https://youtu.be/99euKNYNKIE Are interferometers the future of telescopes? Can we aim at stars by knowing only where they were billions…

  7. [Q&A+] Why Won't NASA Just Buy Falcon 9 from SpaceX?

    · 19 min

    BONUS QUESTION STARTS AT 14:14 Watch the video here (with no ads) or on YouTube: https://youtu.be/bmthiCOpbMQ If SpaceX no longer want Falcon 9 and Crew Dragon, why won't NASA just buy them for themselves? What would…

  8. [Space Bites+] Finally, A NASA Mission To Explore Lava Tubes

    · 24 min

    BONUS STORY STARTS AT 17:14 Watch here (with no ads) or on YouTube: https://youtu.be/S7Vbh0p5Vfc Team Human https://www.teamhuman.org/ A Moon lava tube mission. Remnants of the Moon’s magnetosphere. Where are the…

  9. [Q&A+] How Realistic Are Mars Colonizations Plans?

    · 22 min

    BONUS QUESTION STARTS AT 17:42 Watch the video here (with no ads) or on YouTube: https://youtu.be/B_h8kKdiHe8 Why do star shades look like flowers? Is Mars colonization just a Ponzi Scheme? Why would it be worth…

  10. [Interview+] Two Football Fields of Solar Sail in One Rocket | NIAC 2026

    · 47 min

    BONUS PART STARTS AT 25:44 Watch here (with no ads) or on YouTube https://youtu.be/B8xbSUstIhA 🟣 Guest: Dr. Artur Davoyan https://samueli.ucla.edu/people/artur-davoyan/ Solar sails are great. It's a propulsion…

  11. [Q&A+] What’s The Best Way To Go Under The Ice of Europa?

    · 19 min

    BONUS QUESTION STARTS AT 14:37 Watch the video here (with no ads) or on YouTube: https://youtu.be/eLHeqk2Yh1Q How bright is space? What's the best way to go under the ice on Europa? Are there new gravitational wave…

  12. [Space Bites+] This Telescope Will Do What JWST and Roman Can't

    · 21 min

    BONUS STORY STARTS AT 15:56 Watch here (with no ads) or on YouTube: https://youtu.be/y9Iknlzbn5s NASA is working on a new far-infrared space telescope, Starship finally makes it to orbit, a nuclear reactor for the…

  13. [Q&A+] What Does The Milky Way Orbit?

    · 21 min

    BONUS QUESTION STARTS AT 15:23 Watch the video here (with no ads) or on YouTube: https://youtu.be/BWKrIT28Uk0 We orbit the Sun, Sun orbits the center of the Milky Way, but what does the Milky Way orbit? Can we still…

  14. [Interview+] How Good Was Our Search for Extraterrestrial Life, Really?

    · 59 min

    BONUS PART STARTS AT 43:25 Watch here (with no ads) or on YouTube: https://youtu.be/izP3FsO9u8o PBS Spacetime video: https://www.youtube.com/watch?v=4OM0zTfdsPo Professor David Kipping's channel: @CoolWorldsLab…

  15. [Q&A+] We Were Promised A Firehose of Results From Vera Rubin. Where Are They?

    · 22 min

    BONUS QUESTION STARTS AT 13:56 Watch the video here (with no ads) or on YouTube: https://youtu.be/cdHAMQf1Fnk When will we see the surfaces of exoplanets? What non-western telescopes should we expect? Where are all…

  16. [Space Bites+] Turns Out, Superflares Are Quite Possible for Our Sun

    · 21 min

    BONUS STORY STARTS AT 15:59 Watch here (with no ads) or on YouTube: https://youtu.be/pkZ5tjeeiS0 • 00:00 Intro • 00:33 Superflares are on the table…

  17. [Q&A+] What Happened At the Very Beginning?

    · 21 min

    BONUS QUESTION STARTS AT 15:04 Watch the video here (with no ads) or on YouTube: https://youtu.be/XukdOeLfIgQ What does matter and antimatter annihilate into? How do we know what happened before the CMB? Is outer…

  18. [Interview+] A Far Side of The Moon Radio Telescope May Happen Sooner Than You Think

    · 48 min

    BONUS PART STARTS AT 31:55 Watch here (with no ads) or on YouTube: https://youtu.be/OVcy19IcuIg 🟣 Guest: Dr. Dave Deboer 📜 The Lunar Farside Transients and Technology Telescope (LFT3) Mission…

  19. [Q&A+] How Feasible Is A Starship-Based Space Station?

    · 23 min

    BONUS QUESTION STARTS AT 17:28 Watch the video here (with no ads) or on YouTube: https://youtu.be/6utGiIvm2LE Is combining multiple space telescopes the way to go? Can we detect ice-shell exoplanets? How feasible…

  20. [Space Bites+] Moon Cities Are Not Happening. Here's Why

    · 20 min

    BONUS PART START AT 15:19 Watch here (with no ads) or on YouTube: https://youtu.be/hCgllDUvjMk Interview with Martin Elvis about the Moon: https://youtu.be/CvFMw-kXIzs Astronomy Cast video:…

  21. [Q&A+] Why Didn't NASA Just Build Another Kepler When It Failed?

    · 16 min

    BONUS QUESTION STARTS AT 09:07 Watch the video here (with no ads) or on YouTube: https://youtu.be/koZUXaCXpYA When Kepler failed, why didn't we just build another one? Do we know about all the potentially dangerous…

  22. [Interview+] This Crazy Robot Could Explore the CAVES of Titan | NIAC 2026

    · 49 min

    BONUS PART STARTS AT 32:27 Watch here (with no ads) or on YouTube: https://youtu.be/6h5It3GnTGI Titan Dragonfly is one of the most exciting missions in development. But it'll have its limits. For example, it won't go…

  23. [Q&A+] Can You Put An Consumer-Grade Telescope In Space?

    · 20 min

    BONUS QUESTION STARTS AT 15:01 Watch the video here (with no ads) or on YouTube: https://youtu.be/UjOkLC6N9cY Can someone launch a regular small telescope into space? Are Moon caves stable enough for a permanent…

  24. [Space Bites+] This Supernova Candidate Turned Out To Be Something Completely Different

    · 20 min

    BONUS STORY STARTS AT 16:05 Watch here (with no ads) or on YouTube: https://youtu.be/fA75k6U2HYg Is this a supernova ready to explode, or is it just a trick of the light. A mission to Halley’s Comet in 2060. An…

  25. [Q&A+] Did China Really Steal the Falcon 9 Design?

    · 20 min

    BONUS QUESTION STARTS AT 13:32 Watch the video here (with no ads) or on YouTube: https://youtu.be/tdTe2acoWKc Should SpaceX be concerned about China's reusable rocket designs? Have we ever found meteorites coming…

  26. [Interview+] We All Love Space. Here's Why

    · 55 min

    BONUS PART STARTS AT 33:01 Watch here (with no ads) or on YouTube: https://youtu.be/wk7ccTP9Aag 🟣 Guest: Mat Kaplan https://www.planetary.org/planetary-radio Mat Kaplan is a huge inspiration for me. We talked about…

  27. [Q&A+] Will Roman Find Even More New Physics?

    · 24 min

    BONUS QUESTION STARTS AT 16:31 Watch the video here (with no ads) or on YouTube: https://youtu.be/lG_soURwfxk Will new telescopes continue bringing up new discoveries? Why doesn't the CMB get blocked by galaxies?…

  28. [SpaceBites+] NASA's Roman Telescope Is In Space

    · 23 min

    BONUS STORY STARTS AT 18:53 Watch here (with no ads) or on YouTube https://youtu.be/AvoSIyuVXWM Nancy Grace Roman has launched. Webb sees little red dots merging. Black holes make a mess when eating, there's a 10…

  29. [Q&A+] Are Meteorites A Big Problem for The Moon?

    · 20 min

    BONUS QUESTION STARTS AT 14:06 Watch the video here (with no ads) or on YouTube: https://youtu.be/TvXlCBcnOgc How much stuff falls on the Moon every day? What if Von Neumann probes had AI? How did studying the…

  30. [Interview+] Did Ground-Based Astronomy Already Lose to Mega-Constellations?

    · 53 min

    BONUS PART STARTS AT 24:48 Watch here (with no ads) or on YouTube: https://youtu.be/0RvsOFWZFtw There soon will be tens of thousands of satellites in orbit. Possibly, even millions. Does it mean that ground-based…

  31. [Q&A+] How Many Supernovae Made The Solar System?

    · 19 min

    BONUS QUESTION STARTS AT 11:23 Watch the video here (with no ads) or on YouTube: https://youtu.be/1E7v7lv0U-o Can you DYI a binocular telescope at home? Which binoculars should you get for stargazing? How many…

  32. [Space Bites+] SpaceX Go All-In On Building The Biggest Spaceport In History

    · 30 min

    BONUS STORY STARTS AT 25:06 Watch here (with no ads) or on YouTube: https://youtu.be/8eMctTM-dug Vote for the best story here: https://www.youtube.com/@frasercain/posts My sister's website:…

  33. [Q&A+] What Percentage of The Universe’s Life Has Already Passed?

    · 20 min

    BONUS QUESTION STARTS AT 14:37 Watch the video here (with no ads) or on YouTube: https://youtu.be/2gtlfvI9JJ0 How much of the Universe's life has already passed? Is the Universe spinning? How do binary planets work?…

  34. [Interview+] How Much Gravity Is Too Much To Escape A Planet?

    · 42 min

    BONUS PART STARTS AT 20:51 Watch here (with no ads) or on YouTube: https://youtu.be/QD5sJ636wxM More interviews: https://www.patreon.com/collection/44300/ 🟣 Guest: Dr. Sanjoy Som https://www.bluemarblespace.org/ 📜…

  35. [Q&A+] Can We Turn The Entire Moon Into a Giant Datacenter?

    · 27 min

    BONUS QUESTION STARTS AT 21:21 Watch the video here (with no ads) or on YouTube: https://youtu.be/xrMsuZTdfAM Couldn’t we use the entire moon as a data center? Does the vastness of space ever scare me? Do solar…

  36. [Space Bites+] Swift Will Now Inevitably Die // China Lands a Rocket (again) // Starship Survived

    · 34 min

    BONUS STORY STARTS AT 26:33 Watch here (with no ads) or on YouTube: https://youtu.be/ccPtQeURDzM 🔵 Vote for the best story here: https://www.youtube.com/@frasercain/posts Interview with Vasiliy Kokorev about Little…

  37. [Q&A+] Earth’s True Path Through The Galaxy | Q&A 451

    · 18 min

    BONUS QUESTION STARTS AT 14:13 Watch the video here (with no ads) or on YouTube: https://youtu.be/aX16AFy_Y9Q Do we go through same places in the Milky Way every rotation? How should we celebrate the first contact?…

  38. [Q&A+] How Bad Would a Super Solar Storm Be for The Moon Base? | Q&A 450

    · 18 min

    BONUS QUESTION STARTS AT 12:48 Watch the video here (with no ads) or on YouTube: https://youtu.be/R8_XwBxWsn0 How dangerous would a massive solar storm be for future Moon and Mars bases? Can more exoplanet…

  39. [Space Bites+] Bad News for Europa Exploration // Watching Pluto’s Atmosphere Fade Away // Auroras on Mars

    · 22 min

    BONUS STORY STARTS AT 17:16 Watch here (with no ads) or on YouTube: https://youtu.be/9XGHRoVJgYA 🔵 Vote for the best story here: https://www.youtube.com/@frasercain/posts How can there be auroras on Mars? More bad…

  40. [Q&A+] Alien Megastructures or Microbes?

    · 18 min

    BONUS QUESTION STARTS AT 11:15 Watch the video here (with no ads) or on YouTube: https://youtu.be/vMgKQDzRzUE My Top-100 movie list: https://www.patreon.com/universetoday/posts/my-top-100-space-153930141 Which are…

  41. [Interview+] Swarming The Rings of Saturn With Tiny Probes, NIAC 2026

    · 35 min

    BONUS PART STARTS AT 21:56 Watch here (with no ads) or on YouTube: https://youtu.be/VqBVL2vwh04 🟣 Guest: Dr. Mike Rubenstein 📜 Actively Steerable Femtosat Constellations for In-situ Exploration of Saturn’s Rings,…

  42. [Q&A+] Best Way For The Universe To End

    · 18 min

    BONUS QUESTION STARTS AT 12:37 Watch the video here (with no ads) or on YouTube: https://youtu.be/N2INt2XOCp0 My Top-100 movie list: https://www.patreon.com/universetoday/posts/my-top-100-space-153930141 If white…

  43. [Space Bites+] SpaceX Slams Into The Moon // Liquid on Pluto // Venus Isn’t Dead

    · 28 min

    BONUS STORY STARTS AT 19:40 Watch here (with no ads) or on YouTube https://youtu.be/rV0bRCA2cSs 🔵 Vote for the best story here: https://www.youtube.com/@frasercain/posts Interviews mentioned: 👉 Interview with Dr…

  44. [Q&A+] Can We Detect Gravitational Waves from the Big Bang Itself?

    · 21 min

    BONUS QUESTION STARTS AT 13:26 Watch the video here (with no ads) or on YouTube: https://youtu.be/2lopY61vhgc Channels mentioned: • @filmjoy • @WeirdExplorer Are primordial gravitational waves still coming to…

  45. [Interview+] How Metamaterials Can Help Moon Rovers Survive Both Days and Nights, NIAC 2026

    · 47 min

    BONUS PART STARTS AT 30:33 Watch here (with no ads) or on YouTube: https://youtu.be/bbJ3I37yS4o 🟣 Guest: Dr. Austin Phoenix https://nationalsecurity.vt.edu/personnel-directory/phoenix-austin.html 📜 ECLIPSE –…

  46. [Q&A+] Current Plans to Replace the ISS

    · 21 min

    BONUS QUESTION STARTS AT 12:55 Watch the video here (with no ads) or on YouTube: https://youtu.be/5JbQSmK6ZyY Will private companies take over the ISS? Which sci-fi stories need to be written? What's the state of…

  47. [Q&A+] We Hardly See Other Planets. What's The Point of Searching for Life Out There

    · 21 min

    BONUS QUESTION STARTS AT 13:36 Watch the video here (with no ads) or on YouTube: https://youtu.be/7016OzflTww Does the Fermi paradox make any sense? How can we talk about life out there if all the exoplanets are just…

  48. [Space Bites+] Starship Returns // More Evidence for Betelbuddy // Results from Chang’e-6 Moon Rocks

    · 24 min

    Patrons, send in your questions: patreon.com/posts/164654175 BONUS PART STARTS AT: 19:02 Watch here (with no ads) or on YouTube: https://youtu.be/3DKTwnz0oAs Starship 13 flies and lands softly in the ocean.…

  49. [Interview+] Resolving The Largest Black Hole In the Universe

    · 50 min

    🟣 Guest: Jeff Nosanov https://orbitalvelocity.space/ 🎙️ Space Madness Podcast https://orbitalvelocity.space/#podcast 📚 How to do Business with NASA: A Practical Guide for Entrepreneurs, Innovators, and Contractors…

  50. [Q&A+] Why Is The Universe Not 13.8B Light-Years Wide? | Q&A 444

    · 20 min

    BONUS QUESTION STARTS AT 13:58 Watch the video here (with no ads) or on YouTube: https://youtu.be/HeBEGMNq5OQ Why is the Universe not 13.8 Billion light-years wide? Could a black hole possibly consume the entire…

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