Shows / The 365 Days of Astronomy
The 365 Days of Astronomy
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. Everyday, a new voice, helping you see the universe we share in a new way. This show is managed by Avivah Yamani, edited by Richard Drumm. This podcast is funded through Patreon.com/CosmoQuestX and produced out of the Planetary Science Institute.
Episodes
The 365 Days of AstronomyAstronomy Cast Ep. 784: Pulsar-Powered Science
Off label uses for Pulsars… https://www.youtube.com/watch?v=4XMJBiJao6M Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live…
The 365 Days of AstronomyTravelers in the Night Eps. 859 & 860: Powerful Solar Storm & World's Largest Solar Telescope
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyThe Cosmic Savannah Ep. 79: RADHIANCE Research at the University of Oxford
Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela, Dr. Daniel Cunnama & François Campher With Tumelo Mangena, Leyya Stockenstroom and Ndivhuwo Netshiavha…
The 365 Days of AstronomyEVSN - Earlier Bacterial Life May Have Formed Far Earlier Than Thought
From April 15, 2022. An analysis of microscopic features in rocks from the Nuvvuagittuq Supracrustal Belt in Quebec, Canada, which date back between 3.75 and…
The 365 Days of AstronomyH'ad Astra Historia - Ep. 301 – Take the Gloves Off, Part 1
Today we're talking with Dr. Richard Tresch Fienberg (https://aas.org/press/richard-tresch-fienberg), astronomer and science communicator, who shares his…
The 365 Days of AstronomyCheap Astronomy - Dear CA Ep. 130: What's Next?
Hosted by Steve Nerlich. Cheap Astronomy investigates things that haven't happened yet. - Dear Cheap Astronomy: When will the Sun destroy the Earth and can we…
The 365 Days of AstronomyAwesome Astronomy - Ozone Hole II Mega-Constellation Boogaloo
Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. February Episode Part 2. This episode we chat…
The 365 Days of AstronomyAstronomy Cast Ep. 783: Cataclysmic Variable Stars
https://www.youtube.com/watch?v=hzFgfN2B_k4 Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live on Feb 16, 2026. There are…
The 365 Days of AstronomyTravelers in the Night Eps. 857 & 858: Gila Cliff Dwellings & Vanishing Dark and Quiet
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyASTROMAN - Solar Eclipse
Episode 14. Our Sun is more than a glowing ball in the sky. It's a dynamic, ever-changing star at the peak of its solar cycle. In this episode of ASTROMAN: The…
The 365 Days of AstronomyEVSN - The Sky is Falling! Space Junk 411
In this episode, we take a closer look at how the increasing number of rockets and satellites going up mean there is also an unfortunate increase in the space…
The 365 Days of AstronomyActual Astronomy - Owning 20+ Telescope with Richard Navarette
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com Episode 522. Continuing on with our 2026 resolution…
The 365 Days of AstronomyUNAWE Space Scoop - Cotton Candies Floating in Space?
Astronomers just found something cool! Typically, most Sun-like stars host planets between the size of Earth and Neptune called 'super-Earths' or…
The 365 Days of AstronomyAsk A Spaceman Ep. 266: Is the Universe Made of Math?
Hosted by Dr. Paul M. Sutter. Why is math so effective at describing the Universe? What is reality is made of math? What does it mean for us to be conscious…
The 365 Days of AstronomyAstronomy Cast Ep. 782: Luminous Fast Blue Optical Transients
https://www.youtube.com/watch?v=sVvY9HGss8E Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live on Feb 13, 2026. Modern…
The 365 Days of AstronomyTravelers in the Night Eps. 855 & 856: Planetary Defense & Big One
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyNOIRLab - Mysterious Metallic Cloud Discovered Orbiting Mystery Object
Sweeping winds of vaporized metals have been found in a massive cloud that dimmed the light of a star for nearly nine months. This discovery, made with the…
The 365 Days of AstronomyEVSN - Galaxy Mergers Trigger Black Hole Growth
From May 21, 2020. Join us today as we discuss the impressive work by an undergraduate student who figured out how galaxy mergers influence the growth of…
The 365 Days of AstronomyGuide To Space - What Did Cassini Teach Us? Remembering Cassini and Saying Goodbye
https://www.youtube.com/watch?v=-Alz4UXGqLk From March 8, 2017. In just a few months, NASA's Cassini spacecraft is going to die, crashing into the planet…
The 365 Days of AstronomyCheap Astronomy - Dear CA Ep. 129: More Rocks
A podcast about rocks, big and small. Dear Cheap Astronomy – What's Psyche really like? Psyche is an asteroid in the asteroid belt and apparently a very metal…
The 365 Days of AstronomyDeep Astronomy - Discoveries of Webb Space Telescope Ep 3: The Flares of Sagittarius A*, Our Galaxy's Black Hole
https://www.youtube.com/watch?v=d7FAg_AYXaw From April 14, 2025. Astronomers using the JWST have made direct observations of the black hole at the center of…
The 365 Days of AstronomyAstronomy Cast Ep. 781: Awakening Black Holes
https://www.youtube.com/watch?v=PpZRjII8qkc Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live on Feb 2, 2026. One long…
The 365 Days of AstronomyTravelers in the Night Eps. 853 & 854: Tardigrade & Weird Planet, Exotic Life
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyEquatorial Sky Guide For February
Hosted by Avivah Yamani, our Director. February 2026 is packed for stargazers at the equator, with a dusk-time planet parade, dark New Moon skies for…
The 365 Days of AstronomyEVSN - JWST Makes Sense of the Early Universe
From January 28, 2026. In this episode we look at highlights from the latest American Astronomical Society Meeting. An accidental theme came out: with each new…
The 365 Days of AstronomyActual Astronomy - February Observer's Calendar
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com This month we talk about the Moon occulting Regulus…
The 365 Days of AstronomyAwesome Astronomy - The End of British Astronomy?
Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. We discuss the British Government's vandalism of…
The 365 Days of AstronomyAsk A Spaceman Ep. 265: Does Antimatter Fall Up?
Hosted by Dr. Paul M. Sutter. What is the weak equivalency principle? How was antimatter discovered and why is it the perfect thing to put gravity to the test?…
The 365 Days of AstronomyAstronomy Cast Ep. 780: When Asteroids & Comets Attack!
https://www.youtube.com/watch?v=sIVunut4Dgk Hosted by: Fraser Cain (@frasercain ) and Dr. Pamela L. Gay (@CosmoQuest ) Streamed live on Jan 26, 2026. We live…
The 365 Days of AstronomyTravelers in the Night Eps. 851 & 852: Scientists Views Odds of Aliens & Landing On Mars
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomySpace Stories - Perihelion & Aphelion
Hosted by our Director, Avivah Yamani. Earth swings closest to the Sun at perihelion and farthest at aphelion, words that apply to every planet orbiting the…
The 365 Days of AstronomyEVSN - Mystery of Mars' Recurring Slope Lineae Possibly Solved
From February 8, 2021. A new theory has been proposed that could answer the question of what causes recurring landslides on Mars: small-scale ice melting just…
The 365 Days of AstronomyGuide to Space - Thanks To Gaia We Now Know Exactly Where 1.7 Billion Stars Are In The Milky Way
https://www.youtube.com/watch?v=lxgdcG_NQyA Hosted by Fraser Cain. And a happy robin. From May 3, 2018. The European Space Agency just dropped an enormous…
The 365 Days of AstronomyAwesome Astronomy - 3 Days to Lose LEO
Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. So it looks like Low Earth Orbit is not just…
The 365 Days of AstronomyCheap Astronomy - Dear CA #128: Persistent Claims
Still looking. Hosted by Steve Nerlich. Dear Cheap Astronomy – Is there anything new on Planet 9? Well, not really and there is some growing skepticism about…
The 365 Days of AstronomyAstronomy Cast - Questions: Relativity, Relativity & More Relativity
From October 23, 2008. Hosted by Fraser Cain & Dr. Pamela Gay. Everyone loves a theme. And this week we've collected together some of your questions about…
The 365 Days of AstronomyTravelers in the Night Eps. 849 & 850: Europa Clipper & Who Owns A Space Rock?
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyCosmic Savannah Ep 78: Back Under the Stars - A New Dawn
Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela, Dr. Daniel Cunnama & François Campher. At long last…we're back!!! The Cosmic Savannah is entering an…
The 365 Days of AstronomyEVSN - Martian Volcanoes Once Chose Violence
From April 28, 2022. An analysis of images taken by the Spirit rover of olivine-rich rocks in Gusev crater has revealed a much more violent volcanic origin…
The 365 Days of AstronomySpace Scoop - A Thrilling Radio Message From A Nearby Red Star
https://spacescoop.org/en/scoops/2529/a-thrilling-radio-message-from-a-nearby-red-star/ Hosted by our editor, Richard Drumm. About 130 light-years away from…
The 365 Days of AstronomyAwesome Astronomy - Panto 2025: Cometh the Comet, Comet the Ralph
Paul Hill, Ralph Wilkins and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. It's time for our annual review of…
The 365 Days of AstronomyAsk A Spaceman Ep. 264: Just How Weird is the Quantum Eraser?
Hosted by Dr. Paul M. Sutter. How does the double-slit experiment work? What does it teach us about reality and measurement if we try to mess with the…
The 365 Days of AstronomyAstronomy Cast Ep. 779: Milankovitch Cycles
https://www.youtube.com/watch?v=rTFbrCIkrfU Streamed live on Jan 12, 2026. Hosted by: Fraser Cain (@frasercain ) and Dr. Pamela L. Gay (@CosmoQuest ) Humans…
The 365 Days of AstronomyTravelers in the Night Eps. 847 & 848: Ultra Distant Comet & C.2024 E1 (Wierzchos)
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyASTROMAN - Lunar Eclipse
Dive into the wonders of the lunar eclipse! ASTROMAN breaks down the 2026 total "Blood Moon" in Asia, offering tips for skywatchers and the science behind the…
The 365 Days of AstronomyEVSN - Astronomy Answers: What's That Light?
From January 7, 2026. In this episode, we're pleased to say we get to focus on science, as we bring you hot Jupiters, a tear-drop shaped Jupiter massed……
The 365 Days of AstronomyActual Astronomy - OzSky With Clint Reading
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com In this podcast (Episode 519) we talk with a special…
The 365 Days of AstronomyCheap Astronomy - Dear CA Ep. 127: Mystery Physics
Hosted by Steve Nerlich. Well… Cheap Astronomy confirms some mysteries are still mysteries! Dear Cheap Astronomy – Is warp drive looking any more possible?…
The 365 Days of AstronomyDeep Astronomy - Discoveries of the Webb Space Telescope: Webb's First Deep Field
https://www.youtube.com/watch?v=WvdZpZuz-WQ Hosted by Tony Darnell. From Feb 13, 2025. The deep fields taken by the Hubble Space Telescope are now legendary…
The 365 Days of AstronomyAstronomy Cast Ep. 778: Dyson Swarms
https://www.youtube.com/watch?v=cySk8O0iVjU Hosted by: Fraser Cain (@frasercain ) and Dr. Pamela L. Gay (@CosmoQuest ) Streamed live on Jan 5, 2026. Freeman…
The 365 Days of AstronomyTravelers in the Night Eps. 845 & 846: Mighty Schmidt & Bright Nights
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyNOIR Lab - Fast Spinning Asteroids From the Rubin Observatory
As part of the NSF–DOE Vera C. Rubin Observatory First Look event in June 2025, Rubin announced that it had observed thousands of asteroids cruising about our…
The 365 Days of AstronomyEVSN - When Science Results Rhyme: Exoplanets, Supernovae, and Relativity
From December 25, 2025. In this week's episode, we look at planets younger than fossils, celebrate relativity repeatedly working as expected, and peer at…
The 365 Days of AstronomyJanuary Sky Guide for Equatorial Region
Hosted by Avivah Yamani. January 2026 is a packed month for equatorial skywatchers! Catch the Quadrantid meteor shower peak on the new year and Jupiter steals…
The 365 Days of AstronomyAwesome Astronomy - Soundgarden Wins at Astrophysics
Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. So it turns out Soundgarden nailed astrophysics in…
The 365 Days of AstronomyAsk A Spaceman - Ep. 263: Does Free Will Exist?
What is causal determinism? What are some of the ways that physics can permit free will? What does emergence have to do with all of this? I discuss these…
The 365 Days of AstronomyAstronomy Cast Ep. 777: The Eddington Limit
https://www.youtube.com/watch?v=uijiic8crBQ Hosted by: Fraser Cain (@frasercain ) and Dr. Pamela L. Gay (@CosmoQuest ) Streamed live on Dec 29, 2025. How big…
The 365 Days of AstronomyTravelers in the Night Eps. 843 & 844: Possible Impactor & Global Meteor Network
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyAwesome Astronomy - December Part 2 Yeeting Your Office Into a Flamepit
Paul Hill & Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. In this chatty news episode 164 we chat about more…
The 365 Days of AstronomyEVSN - Double Dose of Planetary Pandemonium
From October 9, 2020. Join us as we take a look back to two weeks' worth of planetary stories, including solar system research on a binary trans-Neptunian…