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Rating
4.7from
This podcast has
1604 episodes
Language
EnglishPublisher
Fraser CainExplicit
No
Date created
2014/01/08
Latest episode
2026/10/23
Average duration
27 min.
Release period
2 days
Description
Public feed with [Space Bites+], [Q&A+], [Interview+] and other episodes. Free for everyone.
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[Space Bites+] "Impossible" Green Stars Might Actually Exist
2026/10/23
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
[Q&A+] Was the UN-Observable Universe Always UN-Reachable?
2026/10/23
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
[Interview+] Going Beyond Hubble and Roman to Find Planets With Atmospheres
2026/10/21
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
[Q&A+] Why Are There No Binary Planets?
2026/10/21
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
[Space Bites+] Turns Out, Hypernovae Might Not Exist At All
2026/10/17
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
[Q&A+] Should We Still Be Worried About The Apophis Asteroid?
2026/10/15
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 of years ago? Is the Apophis asteroid still dangerous? And in Q&A+, can we just sent the SG-1 to it?
00:00 Intro
00:37 [@PerryM-vy4fe] Are Interferometers the future of space telescopes?
03:36 [@Frosty.Winnipeg] If we can see stars a billion light years away can we guesstimate where they are now?
05:29 [@PeterYannick] Where do we have to aim a laser if we want to sent a message to Alpha Centauri?
07:19 [@andrewczski1969] Apophis in 2029 can shut the WHOLE show down, no?
12:43 [@kairon156] Are there any plans on getting rock samples from Mar's moons?
14:25 [@Frosty.Winnipeg] Can’t we just send SG-1 to face Apophis?
18:20 Final thoughts
[Q&A+] Why Won't NASA Just Buy Falcon 9 from SpaceX?
2026/10/14
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 a perfect space station look like? What is being done to improve the deep space network? And in Q&A+, finally, a Lagrange Point question.
00:00 Intro
00:27 [@kairon156] What would a perfect space station look like?
08:13 [@endigo2007] Can NASA buy the remaining Falcon 9's and operate them to send Dragon to ISS?
10:57 [@musicover5] Is there work being done to increase the bandwidth of the deep space network?
14:14 [@jamessobek196] Does the Moon jiggle L2 Lagrange points?
18:04 Final thoughts
[Space Bites+] Finally, A NASA Mission To Explore Lava Tubes
2026/10/09
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 wondering supermassive black holes. And on Space Bites+, why Mars’ ice caps are mostly dust free.
00:00 Intro
00:14 Finally, A Moon Lava Tube Mission https://www.universetoday.com/articles/nasa-selects-gimli-to-search-the-marius-lunar-pit-for-a-potential-lunar-base-site
03:06 Possible lunar dynamo https://www.universetoday.com/articles/a-buried-volcano-on-the-moon-hints-at-an-ancient-lunar-dynamo
06:11 Pulsar Feeding from a Companion's Stellar "Wind" https://www.universetoday.com/articles/xrism-makes-first-ever-detection-of-a-pulsar-feeding-from-a-companions-stellar-wind
07:45 Origin of Mars and Earth https://www.universetoday.com/articles/new-study-shows-that-earth-and-mars-had-different-origins
10:10 Vote results 10:36 Wandering Black Holes https://www.universetoday.com/articles/wandering-black-holes-may-hold-clues-to-the-evolution-of-the-universe
12:30 Searching for black holes https://www.universetoday.com/articles/thousands-of-black-holes-could-be-lurking-in-our-backyardand-you-can-help-find-them
14:57 Hubble's 200,000th orbit https://www.universetoday.com/articles/nasas-hubble-marks-its-200000th-orbit-by-watching-lensed-supernova
16:09 Supernova near Sag A* https://www.universetoday.com/articles/chandra-x-ray-observatory-drops-new-view-of-our-galaxys-unruly-centre
17:14 Bonus story https://www.universetoday.com/articles/mars-north-pole-ice-is-far-cleaner-than-expected
18:14 Final thoughts
[Q&A+] How Realistic Are Mars Colonizations Plans?
2026/10/09
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 doing? And on Q&A+, should you scream into the void?
00:00 Intro
00:23 [@silasmiller4417] Why are renders of orbital star shades shaped like flower pedals?
05:37 [@illyakuryakin5024] Anyone notice no one is talking about the Ponzi scheme called "Mars Colonization" anymore?
12:13 [@illyakuryakin5024] why would it be so "amazing"?
17:42 [@Alienalloy] If I scream in the vacuum of space have I gone beyond compony health and safety procedures so already a lost cause?
20:20 Final thoughts
[Interview+] Two Football Fields of Solar Sail in One Rocket | NIAC 2026
2026/10/07
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 method that doesn't require carrying fuel. But the need to be really big to be efficient. How do you fold them on Earth and unfold in space? What's a reliable way to do that? NASA recently awarded a NIAC grant specifically for that.
📜 Coilable Stacked Solar Sails for Very High delta-V Missions https://www.nasa.gov/directorates/stmd/niac/niac-studies/coilable-stacked-solar-sails-for-very-high-delta-v-missions/
👉 All 2026 NIAC Selections https://www.nasa.gov/directorates/stmd/niac/niac-studies/niac-2026-selections/
00:00 Intro
01:31 Solar sail as a propulsion method
25:44 Alternative propulsion methods
38:38 Current obsessions
44:54 Final thoughts
[Q&A+] What’s The Best Way To Go Under The Ice of Europa?
2026/10/06
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 detectors in the works? And on Q&A+, have we actually seen black holes grow?
00:00 Intro
00:23 [@Noxelius] What's the best way to get under the ice of Europe or Enceladus?
01:46 [@jvan120] how bright is it in space?
05:16 [@luiscarneiro4123] How can we make governments invest more money in space?
09:11 [@rJaune] Are there any plans to make new Gravitational Wave detectors?
12:27 [@AproposOfWetSnow] What if Pluto got into Mercury's orbit?
14:37 [@GeraldBlakefield] Have we actually seen black holes grow?
17:39 Final thoughts
[Space Bites+] This Telescope Will Do What JWST and Roman Can't
2026/10/02
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 Moon, and an exoplanet orbiting backwards. On Space Bites plus, a galaxy with a disconnected center.
00:00 Intro
00:18 New far-infrared NASA telescope coming https://www.universetoday.com/articles/nasas-first-selection-for-a-new-class-of-mission-the-prima-far-infrared-telescope
02:11 Starship goes orbital https://www.universetoday.com/articles/spacexs-starship-rocket-does-its-job-during-first-orbital-flight
04:09 Power for the Moon https://www.universetoday.com/articles/a-1000c-lunar-microreactor-could-power-the-next-era-of-moon-bases
07:28 Sub-Neptune orbiting the wrong way https://www.universetoday.com/articles/astronomers-find-a-sub-neptune-orbiting-completely-backward-around-a-red-dwarf
09:37 Vote results
10:03 Dynamic structural evolution in Chariklo’s rings https://www.universetoday.com/articles/jwst-finds-dynamic-structural-evolution-in-chariklos-rings
11:14 Finding life on Enceladus could be easier than we thought https://www.universetoday.com/articles/finding-life-on-enceladus-could-be-easier-than-we-thought-says-new-research
13:08 Getting even more from the CMB https://www.universetoday.com/articles/a-new-test-looks-for-a-subtle-twist-in-ancient-light
15:56 Bonus story https://www.universetoday.com/articles/diving-into-an-out-of-sync-galaxy
16:46 Final thoughts
[Q&A+] What Does The Milky Way Orbit?
2026/10/01
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 catch up with Oumuamua? Is the Big Crunch a ruled-out theory? And in Q&A+, have we seen a phenomenon we can't yet explain?
00:00 Intro
00:26 [@jonathanchamberlain6260] What does the Milky Way orbit?
04:21 [@paulwilson1529] Could we still catch up with Oumuamua?
08:28 [@bakkos_bakkos] Is The Big Crunch a ruled out theory?
13:35 [@kamleshpatel6817] Why can't gravitational waves travel faster than light?
15:23 [@paigepotter4682] Is there an astronomical phenomenon where you think we’ve probably seen the evidence already, but haven’t realized what we’re looking at yet?
18:51 Final thoughts
[Interview+] How Good Was Our Search for Extraterrestrial Life, Really?
2026/09/30
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
We've done a lot of searching for extraterrestrial life over the years. But how good was it? Did we look hard enough or deep enough? Is it too early for conclusions? Could do a better job? If so, how? Figuring out in this interview.
🟣 Guest: Dr. Ben Zuckerman
📜 Broadband Searches for Extraterrestrial Technological Intelligence: a New Strategy To Find Nearby Alien Civilizations https://arxiv.org/abs/2603.07333
00:00 Intro
01:36 SETI
05:07 How deep did we look
24:12 What could we have done differently
36:57 Most satisfying answer to the Fermi Paradox
43:25 BONUS PART: pollution of white dwarfs
53:01 Current obsessions
57:14 Final thoughts
[Q&A+] We Were Promised A Firehose of Results From Vera Rubin. Where Are They?
2026/09/29
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 the big promised results from Vera Rubin? And in Q&A+, how to get in space journalism and is it worth it now?
00:00 Intro
00:33 [@theindianking3000] Will Roman see exoplanets better than JWST?
03:13 [@fwd79] Which non-western space telescopes are coming?
05:55 [@paulwilson1529] How packed is the asteroid belt?
07:35 [@GadZookz] Are there any calories on the Moon or Mars?
10:26 [@rilanfelnar2698] Results from Vera Rubin. When?
13:56 [@absolute-doink] Any advice for someone interested in space journalism?
20:31 Final thoughts
Podcast reviews
Read Universe Today Podcast podcast reviews
SpaceRacer22 2026/09/26
Love!
I really enjoy these. Thanks for all you do! No ads is amazing and makes it my top night time drifting to sleep option (in addition to my normal day t...
Jimmy 1 1 1 2026/07/17
Extremely good but…
You should do the video on Apple podcast
4sd..o 2026/05/15
Mick West??
I was a regular listener until the episode where the host lauds Mick West, who is no more qualified to analyze video than you or I.
jmdarri 2026/04/22
Manned Missions are such a waste
I am finding the bias of this show tilted so far to manned missions to the moon, mars, and space that it is hard to keep listening to.
IMO this purs...
Beldar88 2026/03/14
Excellent
Best science pod, period. No fluff. I never miss it.
Spaccemay 2026/03/08
Love this
I love space and rockets so this is perfect
jsabe 2026/02/07
Innovative
Great content. No ads! Thank you for ditching the ads.
John the monn 2025/10/22
separate the body from the mind
that’s good advice
Cookies & Cream 2025/10/11
Amazing
I have a hard time following all the technical information so I took off a star, but that’s unfair to Fraser Cain. Just saying, this is a challenge to...
MaxWoodstock 2025/10/03
Great stuff
Fun
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