
Ask A Spaceman Ep. 271: What Happens When Light Goes Boom?
Cherenkov Radiation! Hosted by Dr. Paul M. Sutter. How can matter ever go faster than light? What happens when it does? Who discovered this,...
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The 365 Days of Astronomy podcast launched in 2009 as part of the International Year of Astronomy. This community podcast continues to bring you day after day of content across the years. Ev...

Cherenkov Radiation! Hosted by Dr. Paul M. Sutter. How can matter ever go faster than light? What happens when it does? Who discovered this,...

https://www.youtube.com/watch?v=-NcTe-98ZlA Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela L. Gay ( @CosmoQuest ) Streamed live April...

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the Univer...

Hosted by Avivah Yamani, our Director. It's time for a Blue Moon this year! And observers also have the chance to enjoy planetary dances wit...

From April 30, 2026. As commercial space becomes a more and more mature industry, we're seeing new needs emerge. Front and the center is the...

https://www.youtube.com/watch?v=Xryd9cC8ZWU Hosted by Fraser Cain. From Jul 4, 2018. For the first time ever, astronomers have captured a di...

April Part II. Paul Hill & Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. This month what el...

Taking nothing for granted. Hosted by Steve Nerlich. Dear Cheap Astronomy – Is space really empty? Well, the universe is filled with stars,...

https://www.youtube.com/watch?v=Wa1p6AOfQBc Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela L. Gay ( @CosmoQuest ) Streamed live on Ap...

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the Univer...

Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela, Dr. Daniel Cunnama & François Campher In this episode, Jacinta chats with Dr. Simon d...

From April 22, 2026. Season 4, episode 15. This is EVSN's love letter to the Artemis II mission. We've added a new way to donate to 365 Days...

Hosted by Avivah Yamani, our Director. What are constellations? Explore their history, science, and cultural meanings across civilizations,...

Hosted by Dr. Paul M. Sutter. What did the Universe do to make so many defects? What happens when they get trapped? And could they be hiding...

https://www.youtube.com/watch?v=WGx1NvLO8FA Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela L. Gay ( @CosmoQuest ) Streamed live April...

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the Univer...

Episode 531. Just a reminder for people to write in with their questions for David Nagler. Hosted by Chris Beckett & Shane Ludtke , two amat...

From Wednesday, April 15, 2026. This week, in the first of our new shorter and more frequent episodes, we are going to take a look at the in...

https://www.youtube.com/watch?v=dmtCX-TBgfE The Plans For a Mars Sample Return Mission. Hosted by Fraser Cain. From Aug 28, 2019. One of the...

Cheap Astronomy investigates why light moves at light speed in a vacuum. Hosted by Steve Nerlich. Shining a light! Dear Cheap Astronomy – Wh...

https://www.youtube.com/watch?v=JBHzV4y7G5A Hosted by Tony Darnell. From May 23, 2025. The COSMOS-Web dataset represents the deepest look in...

http://www.astronomycast.com/archive/ From October 26, 2009. Launching a rocket into space requires a big effort on the ground. Space agenci...

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the Univer...

Astronomers have discovered one of the most chemically primitive stars ever identified — an ancient stellar relic that preserves the chemica...

From April 1, 2026. No foolin'! Once again, we're going to attempt to get you up to date with what is going down at NASA. In addition to NAS...

https://spacescoop.org/en/scoops/2602/a-rule-breaking-supermassive-black-hole/ Astronomers have spotted a supermassive black hole, or SMBH,...

Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. This episode Paul and Jeni look...

Hosted by Dr. Paul M. Sutter. What makes the interstellar comet 3I/Atlas so weird? Why are we finding so many interstellar visitors recently...

https://www.youtube.com/watch?v=Me0MNCIuLs8 Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela L. Gay ( @CosmoQuest ) Streamed live on Ma...

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the Univer...

Hosted by Avivah Yamani, our Director. What's up in the equatorial sky this month? April 2026 brings a spectacular alignment of Mercury, Mar...

From Wednesday, March 25, 2026. In this special episode, funded by the National Science Foundation, we're taking a break from the headlines...

Hosted by Chris Beckett & Shane Ludtke , two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public...

https://www.youtube.com/watch?v=FCqU0nz6iFU Hosted by Fraser Cain. From May 21, 2019. On Monday, May 13, 2019, NASA declared: "We are going...

Today's guest: Dr. Richard Tresch Fienberg , astronomer and science communicator, recently served as the Expert Astronomer for Sky & Telesco...

https://www.youtube.com/watch?v=cJNpipCncKA Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela L. Gay ( @CosmoQuest ) Streamed live on Ma...

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the Univer...

The 365 Days of Astronomy podcast launched in 2009 as part of the International Year of Astronomy. This community podcast continues to bring...

From March 18, 2026. This episode went through a lot of rewrites as breaking news kept breaking our hearts. Artemis is still on, but there a...

Hosted and sponsored by Andy Poniros. Veteran of more than 590 days in space on Shuttle, Soyuz, & ISS missions NASA Astronaut, Don Pettit. D...

Hosted by Steve Nerlich. Bringing it home. Cheap Astronomy digs in to asteroid mining. Dear Cheap Astronomy – Are rubble pile asteroids easi...

Paul Hill & Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. Our chatty astrowaffle episode th...

https://www.youtube.com/watch?v=jY1_q9a0UFc Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela L. Gay ( @CosmoQuest ) Streamed live on Ma...

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the Univer...

In this episode of Dark Sky Guardian, we learn how thoughtful lighting can reduce glare, save energy, protect wildlife, and restore our conn...

https://cosmoquest.org/x/dailyspace/2020/01/07/planets-stars-and-death-to-dark-energy/ From January 7, 2020. The Hubble Space Telescope cont...

Hosted by Chris Beckett & Shane Ludtke , two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public...

Hosted by Steve Nerlich. Cheap Astronomy asks what's the point and then gets some sunshine. Dear Cheap Astronomy – Did the Universe start fr...

Hosted by Dr. Paul M. Sutter. What do we find when we push the James Webb Space Telescope to its limits? Are Little Red Dots newborn galaxie...

https://www.youtube.com/watch?v=g_Y-ST_az9c Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela L. Gay ( @CosmoQuest ) Streamed live on Ma...