Universe Today Podcast

Podcast

Universe Today Podcast

Fraser Cain

1636 episodes

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

What this show covers

Vera RubinBlack holesMarsMilky WayMoon missionsMars settlementUnderwater habitatsMoon baseAmateur astronomySpace missionsradiation riskMars missionspace medicinehuman spaceflightMark Shelhamer

What listeners will find here

Vera Rubin leads a fast tour of new finds, Moon plans, and black hole puzzles

Vera Rubin’s latest discoveries anchor this episode, from Neptune’s trojans to two newly found Milky Way companions. It also jumps through China’s crewed Moon plans, black hole mysteries, Earth’s radiation shield, and a Mars bonus story near the north pole.

Moon, Mars, or the Deep Sea? A fast Q&A on where humanity builds next

This episode weighs Moon, Mars, and underwater bases, then shifts to city-sky astronomy, Japan’s Phobos rover, and whether a Martian research outpost could grow into a city. A bonus segment at 17:10 adds thoughts on the LIFE mission.

Can the human body survive a real trip to Mars?

A Mars mission may depend as much on human biology as rockets and spacecraft. In this interview, Mark Shelhamer explores the gap between sci-fi visions and the physical realities, risks, and possible countermeasures involved in sending people beyond Earth’s protective environment.

Episodes

[Space Bites+] Vera Rubin Delivers Even More Discoveries

[Space Bites+] Vera Rubin Delivers Even More Discoveries

6 Nov 2026 · 20 min

[Q&A+] Moon/Mars VS Underwater

[Q&A+] Moon/Mars VS Underwater

5 Nov 2026 · 24 min

[Interview+] Is The Human Body Ready For A Real Mars Mission?

[Interview+] Is The Human Body Ready For A Real Mars Mission?

4 Nov 2026 · 1h 4m

AI Is Destroying YouTube. But NOT In The Way You Think

AI Is Destroying YouTube. But NOT In The Way You Think

3 Nov 2026 · 6 min

[Q&A+] The Future of Space Telescopes

[Q&A+] The Future of Space Telescopes

3 Nov 2026 · 23 min

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

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

30 Oct 2026 · 28 min

[Q&A+] Space Lasers VS Space Nukes

[Q&A+] Space Lasers VS Space Nukes

29 Oct 2026 · 18 min

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

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

28 Oct 2026 · 21 min

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

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

23 Oct 2026 · 28 min

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

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

23 Oct 2026 · 19 min

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

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

21 Oct 2026 · 37 min

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

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

21 Oct 2026 · 21 min

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

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

17 Oct 2026 · 19 min

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

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

15 Oct 2026 · 21 min

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

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

14 Oct 2026 · 19 min

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

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

9 Oct 2026 · 23 min

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

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

9 Oct 2026 · 21 min

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

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

7 Oct 2026 · 46 min

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

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

6 Oct 2026 · 18 min

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

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

2 Oct 2026 · 21 min

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

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

1 Oct 2026 · 21 min

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

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

30 Sept 2026 · 59 min

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

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

29 Sept 2026 · 22 min

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

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

25 Sept 2026 · 21 min

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

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

24 Sept 2026 · 20 min

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

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

23 Sept 2026 · 47 min

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

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

23 Sept 2026 · 23 min

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

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

18 Sept 2026 · 19 min

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

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

17 Sept 2026 · 15 min

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

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

16 Sept 2026 · 49 min

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

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

15 Sept 2026 · 19 min

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

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

11 Sept 2026 · 20 min

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

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

10 Sept 2026 · 19 min

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

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

9 Sept 2026 · 55 min

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

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

8 Sept 2026 · 23 min

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

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

4 Sept 2026 · 23 min

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

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

3 Sept 2026 · 20 min

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

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

3 Sept 2026 · 52 min

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

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

2 Sept 2026 · 18 min

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

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

28 Aug 2026 · 30 min

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

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

28 Aug 2026 · 19 min

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

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

26 Aug 2026 · 41 min

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

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

25 Aug 2026 · 26 min

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

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

21 Aug 2026 · 33 min

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

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

20 Aug 2026 · 18 min

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

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

19 Aug 2026 · 18 min

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

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

14 Aug 2026 · 22 min

[Q&A+] Alien Megastructures or Microbes?

[Q&A+] Alien Megastructures or Microbes?

13 Aug 2026 · 17 min

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

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

12 Aug 2026 · 34 min

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

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

11 Aug 2026 · 17 min

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