Best Astronomy Cast Podcasts (2025)

1
Ep. 754: K2-18b 32:51

3d ago32:51

32:51

Astronomy Cast Ep. 754: K2-18b By Fraser Cain & Dr. Pamela Gay Streamed live on Apr 28, 2025. You’ve heard the news! Astronomers are reporting the discovery of biosignatures at K2-18b. Is this proof of life or should we all be more skeptical? It's in the news and people are claiming aliens... but is it aliens? Let's see what the data actually says.…

1
Astronomy Cast Ep. 754: K2-18b 33:24

3d ago33:24

33:24

https://www.youtube.com/watch?v=z34YkwKA6N0 Streamed live on Apr 28, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay You’ve heard the news! Astronomers are reporting the discovery of biosignatures at K2-18b. Is this proof of life or should we all be more skeptical? It's in the news and people are claiming aliens... but is it aliens? Let's see wh…

1
EVSN - Astronomers Discover 63 Galaxies in Protocluster 22:00

38m ago22:00

22:00

From October 29, 2021. (Halloween) Astronomers researching the G237 protocluster find 63 galaxies within, all producing stars and more galaxies at a high rate, acting as a “shipyard” for their region of the cosmos. Plus, Juno looks inside Jupiter’s cloud bands and a review of “Invasion” on AppleTV+ We've added a new way to donate to 365 Days of Ast…

1
Awesome Astronomy - AstroCamp Spring 2025! 1:24:59

1h ago1:24:59

1:24:59

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. We come at you with all the fun of AstroCamp in Cwmdu, Wales. Chat, debate and birdsong! We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysO…

1
Big Impact Astronomy - Kevin Govender 1:05:30

1d ago1:05:30

1:05:30

Dr. Kevin Govender is the director of the Office of Astronomy for Development and the joint recipient of the Edinburgh Medal together with the International Astronomical Union (IAU). The award was presented in recognition of the creation and practical establishment of the IAU Office of Astronomy for Development. He was born in South Africa, and was…

1
Ask A Spaceman Ep. 247: Is There Any Other Way to Make Black Holes? 30:39

2d ago30:39

30:39

How do we explain the giant black holes appearing in the young Universe? Is it possible to directly collapse a black hole, skipping the formation of stars? What does ultraviolet radiation have to do with this? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.Ask…

1
Ep. 754: K2-18b 58:57

3d ago58:57

58:57

Streamed live on Apr 28, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay You’ve heard the news! Astronomers are reporting the discovery of biosignatures at K2-18b. Is this proof of life or should we all be more skeptical? It's in the news and people are claiming aliens... but is it aliens? Let's see what the data actually says. SUPPORTED BY YOU …

1
May 2025: Mother Snowy Owl! 52:13

4d ago52:13

52:13

This month's guests: Robert Massey, of the Royal Astronomical Society. Phyllis Gricus, Principal of Landscape Design Studio, LLC. Michael Calhoun, Conservationist and Advocate. Bill's News Picks: As a lamp you wear a hat, Stefan Oberwalleney, RBB24. From fireflies to fish, light pollution is damaging the environment – what can we do about it?, Emma…

1
The Wrong Stuff 58:10

3d ago58:10

58:10

By one estimate the average American home has 300,000 objects. Yet our ancient ancestors had no more than what they could carry with them. How did we go from being self-sufficient primates to nonstop shoppers? We examine the evolutionary history of stuff through the lens of archeology beginning with he ancestor who first picked up a palm-sized rock…

1
Travelers in the Night Eps. 789 & 790: Asteroid With A Tail & Vivian's Debut 6:05

4d ago6:05

6:05

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From March 2024. Today's 2 topics: - My Catalina Sky Survey teammate Josh Hogan was asteroid hunting in the constellation of Taurus with our 60 i…

1
Last Minute Astronomer - May Episode 12:53

5d ago12:53

12:53

I’m Rob, your Last Minute Astronomer, bringing astronomy to normies and nerds, with little time to spare. We’ll start by talking about this month’s big events, then highlight the naked eye planets, and finish up with the lunar phases, so you can plan ahead better than me. 5th – ETA AQUARID METEOR SHOWER – Around 10-20 meteors per hour if we’re luck…

1
EVSN - Federal Budget Cuts: An Extinction-level Event 33:48

6d ago33:48

33:48

From April 24, 2025. This week we look at how the elimination of science programs, projects, datasets, and funding may be shaping into an extinction-level event for US Space-related sciences. Come cry with us. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.…

1
Actual Astronomy - The Observer’s Calendar for May 29:35

7d ago29:35

29:35

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. [email protected] Episode 480: May 2 - Vesta at Opposition May 3 - Mars Moon and Beehive May 4 - First Quarter Moon - Lunar X visible on Moon. May 5 - Lunar Straight Wall Visible & Maginus Ray May 6 - Eta Aquarid Meteor Shower Peak - ZHR 50 but usually 30, thou…

1
Guide to Space - What Does It Take To Be An Astronaut? 7:01

8d ago7:01

7:01

https://www.youtube.com/watch?v=bak4yy3OwyY Hosted by Fraser Cain. From November 30, 2015. What does it take to have the "Right Stuff" to become an Astronaut? Created by: Fraser Cain and Jason Harmer We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365Day…

1
H’ad Astra Historia - Ep. 204: Interstellar Part 2 33:42

9d ago33:42

33:42

Today we’re continuing our talk with Voyager Deputy Project Scientist Dr. Jamie Rankin and learning about all things interstellar, from not only the twin Voyagers (humanity’s only interstellar spacecraft) but also from spacecraft operating within our star system. Dr. Rankin, Voyager Deputy Project Scientist, talks with us today about all things Int…

1
Ep. 753: Why is the Moon's South Pole So Interesting? 35:33

10d ago35:33

35:33

Astronomy Cast Ep. 753: Why is the Moon's South Pole So Interesting? By Fraser Cain & Dr. Pamela Gay Streamed live on Apr 21, 2025. I’m sure you’ve heard that all eyes are on the Moon’s southern pole. This is where various NASA and Chinese missions are targeting. What makes this region so special and what are the special challenges that explorers w…

1
Ep. 753: Why is the Moon's South Pole So Interesting? 1:00:31

10d ago1:00:31

1:00:31

Streamed live on Apr 21, 2025. I’m sure you’ve heard that all eyes are on the Moon’s southern pole. This is where various NASA and Chinese missions are targeting. What makes this region so special and what are the special challenges that explorers will face. From TV shows to real-world missions, it seems like everyone just wants to explore the Moon…

1
Why It's So Bright at Night? Interview with Art Hushen on #9PMRoutine. 15:41

10d ago15:41

15:41

Host Bill McGeeney is joined by Art Hushen, founder of the National Institute of Crime Prevention. The seemingly harmless advice to leave all your exterior lights on overnight might not be the crime deterrent you think it is. Host, Bill McGeeney, reconnects with Art Hushin, a 30-year law enforcement veteran and founder of the National Institute of …

1
Astronomy Cast Ep. 753: Why is the Moon's South Pole So Interesting? 36:03

10d ago36:03

36:03

https://www.youtube.com/watch?v=Y1wdW0-lNtc Streamed live on Apr 21, 2025. I’m sure you’ve heard that all eyes are on the Moon’s southern pole. This is where various NASA and Chinese missions are targeting. What makes this region so special and what are the special challenges that explorers will face. From TV shows to real-world missions, it seems …

1
Inside Planets 54:00

10d ago54:00

54:00

With planets and moons, it’s what’s inside that counts. If we want to understand surface features, like volcanoes, or their history, such as how the planet formed or whether it’s suitable for life, we study their interiors. Astronomer Sabine Stanley takes us on a journey to the centers of Venus, Saturn’s large moon Titan, Jupiter’s moon Io, and of …

1
Travelers in the Night Eps. 787 & 788: Far Out & 100 Years of Wilderness 6:05

11d ago6:05

6:05

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From March, 2024. Today's 2 topics: - In 2024, Voyager I is 163 times further from the Sun than we are and is the most distant, human made, trave…

1
The Cosmic Savannah - Ep. 68: Untangling the Origins of Polar Ring Galaxies 54:39

12d ago54:39

54:39

Hosted by Dr. Jacinta Delhaize & Dr. Tshiamiso Makwela. From November 23, 2023. This week Dr. Nathan Deg returns to The Cosmic Savannah to discuss polar ring galaxies and how he models these incredible structures. Nathan is a returning guest on The Cosmic Savannah. During the episode Nathan discusses his recent pivot from galaxy simulations and his…

1
EVSN - Magnetar Exhibits Bizarre Behavior, Identity Crisis 26:53

13d ago26:53

26:53

From February 3, 2021. A radio-loud magnetar first observed in March 2020 suffered an apparent identity crisis, behaving like a pulsar until gradually settling into magnetar-like emissions in July. Plus, Mars’ moon Phobos, Jupiter’s moon Ganymede, and an interview with SETI Institute scientist Veselin Kostov about last week’s sextuple star system. …

1
Awesome Astronomy - NASA's Going Nuclear! 9:15

14d ago9:15

9:15

https://www.youtube.com/watch?v=tCqg3NIwbHE Hosted by Ralph Wilkins. From Feb 3, 2023. Nuclear powered rockets are about to become a reality opening up space travel for humanity. Ever since the dawn of nuclear weapons and reactors, advanced militaries and space agencies have dreamt of powering rockets with long lasting energy efficient nuclear fuel…

1
Big Impact Astronomy - Jamal Mimouni 46:36

15d ago46:36

46:36

Dr. Jamal Mimouni takes us on an astronomy journey through Africa starting with his long-standing, active group in Algeria. Dr. Mimouni is an Algerian astrophysicist, who received his higher education partly in Algeria (B. Sc. in Theoretical Physics in 1977 from Algiers University) and partly in the States (Ph. D. in Particle Physics in 1985 from t…

1
Ask A Spaceman Ep. 246: What is Stephen Hawking’s Legacy? 35:35

16d ago35:35

35:35

How do you measure the impact of a scientist? Does Stephen Hawking compare to Newton or Einstein? What were his contributions to black holes, the big bang, and quantum gravity? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: h…

1
Ep. 752: Should We Go to the Moon or Mars Next? 36:33

17d ago36:33

36:33

Astronomy Cast Ep. 752: Should We Go to the Moon or Mars Next? By Fraser Cain & Dr. Pamela Gay Streamed live on Apr 16, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay There is an ongoing debate on where NASA should go next with humans: to the Moon or Mars. (Or maybe an asteroid or one of Mars’ moons). We are on the verge of sending humans back …

1
Ep. 752: Should We Go to the Moon or Mars Next? 1:05:58

18d ago1:05:58

1:05:58

Streamed live on Apr 16, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay There is an ongoing debate on where NASA should go next with humans: to the Moon or Mars. (Or maybe an asteroid or one of Mars’ moons). We are on the verge of sending humans back to the Moon. At the same time others would prefer we focus our exploration on Mars. It’s a toug…

1
Astronomy Cast Ep. 752: Should We Go to the Moon or Mars Next? 37:10

17d ago37:10

37:10

https://www.youtube.com/watch?v=UTCFrv-2O0A Streamed live on Apr 16, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay There is an ongoing debate on where NASA should go next with humans: to the Moon or Mars. (Or maybe an asteroid or one of Mars’ moons). We are on the verge of sending humans back to the Moon. At the same time others would prefer w…

1
Tech in Check 54:26

17d ago54:26

54:26

Worried that AI will replace you? It may not seem like the Hollywood writers’ strike has anything in common with the Luddite rebellion in England in 1811, but they are surprisingly similar. Today we use the term “Luddite” dismissively to describe a technophobe, but the original Luddites – cloth workers – organized and fought Industrial Revolution a…

1
Travelers in the Night Eps. 785 & 786: Secret Asteroid Mission & Comet 31 6:05

18d ago6:05

6:05

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From February & March 2024. Today's 2 topics: - Unlike other space missions which are conducted out in the open the asteroid mining company Astro…

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ASTROMAN: The Dark Sky Guardian - Astrrophotography Tips for Astronomy Beginners 9:00

19d ago9:00

9:00

“ASTROMAN: the Dark Sky Guardian” is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such as sustainability, dark-sky protection, astrophotography, space exploration, astronomy innovation, inclusive science communication, and STEAM Education by integrating science and arts…

1
EVSN - From the Beginning of the Universe to the Beginning of Spring, it's All Science 32:36

20d ago32:36

32:36

From April 9, 2025. Let's take a fast-paced journey through all that's new in space and astronomy, including dark energy news, the death of supersymmetry, a closer look at remoting sensing in Earth science, and tales from the launch pad. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just…

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Actual Astronomy - The Skies Over the Southern Ocean 1:06:10

21d ago1:06:10

1:06:10

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. [email protected] The Actual Astronomy Podcast episode 474 presents The Skies over the Southern Ocean. In this episode we talk with Micahel Wright who recently visited Australia to view the Southern Skies for the first time. Michael provides a travelog of his t…

1
Deep Astronomy - Jobs In Astronomy: Do You Really Need a Degree? 1:06:49

22d ago1:06:49

1:06:49

https://www.youtube.com/watch?v=5Dru_x0SeYs Streamed live on Feb 2, 2023. Hosted by Tony Darnell. It's not surprising that there's a lot of interest in the topic of getting a good job in astronomy. Every time I mention in on our podcast or in a stream., there are lots of responses and questions. We also live in a time where the value of a college d…

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Astronomy Cast Podcasts

Podcasts Worth a Listen