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PODCAST

The 365 Days of Astronomy

365DaysOfAstronomy.org

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.

science astronomy

All Episodes

21:51

EVSN - Earlier Bacterial Life May Have Formed Far...

The 365 Days of Astronomy ·

2026/02/27

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 4.28 billion years, finds evidence of possible microbial life. Plus, a supermassive black hole precursor, temperatures on Neptune, check-ins with various spacecraft, and our weekly What's Up segment. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit:

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33:10

H'ad Astra Historia - Ep. 301 – Take the Gloves Off,...

The 365 Days of Astronomy ·

2026/02/26

Today we're talking with Dr. Richard Tresch Fienberg (https://aas.org/press/richard-tresch-fienberg), astronomer and science communicator, who shares his experiences as Expert Astronomer on Sky & Telescope magazine's September 2025 Astronomy Tour to "Galileo's Italy." Though enjoying retirement, he volunteers his time for the American Astronomical Society as Senior Advisor to the CEO, and is a Senior Contributing Editor with Sky & Telescope. This is the first of two episodes covering our interview

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14:28

Cheap Astronomy - Dear CA Ep. 130: What's Next?

The 365 Days of Astronomy ·

2026/02/25

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 stop it? - Dear Cheap Astronomy: Will we ever meet aliens? 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/365DaysOfAstronomy and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too! Every bit

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58:23

Awesome Astronomy - Ozone Hole II Mega-Constellation...

The 365 Days of Astronomy ·

2026/02/24

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 about the potential ozone hole issue caused by mega constellations, how Jupiter has shrunk and what Aurora would look like when Earth's poles flip. 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/365DaysOfAstronomy and donate as much as you can

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31:19

Astronomy Cast Ep. 783: Cataclysmic Variable Stars

The 365 Days of Astronomy ·

2026/02/23

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 many types of variable stars. Today we're gonna talk about cataclysmic variable stars, which are the result of a white dwarf stealing material from a companion star. And this whole process makes supervillain Pamela happy. Gravity is the weakest force, but on the scales of stars, it is capable of great violence. In this episode, we look at the

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06:05

Travelers in the Night Eps. 857 & 858: Gila Cliff...

The 365 Days of Astronomy ·

2026/02/22

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 July 2025. Today's 2 topics: - Recently my Catalina Sky Survey teammate Dr. Hannes Gröller and I traveled to the Gila Cliff Dwellings National Monument to install two night sky meters which will enable this wonderful national treasure to become an international dark sky park. Surrounded by

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08:12

ASTROMAN - Solar Eclipse

The 365 Days of Astronomy ·

2026/02/21

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 Dark Sky Guardian, we learn how to safely observe sunspots and solar flares, and why studying solar activity helps protect satellites, power grids, and even predicts auroras. "ASTROMAN: the Dark Sky Guardian" is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such

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28:50

EVSN - The Sky is Falling! Space Junk 411

The 365 Days of Astronomy ·

2026/02/20

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 junk coming down. We also cover dramatic weather, stars dying and disappearing, and update you on Maven and Paranal Observatory. 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/365DaysOfAstronomy and donate as much as you can! Share the podcast

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01:03:52

Actual Astronomy - Owning 20+ Telescope with Richard...

The 365 Days of Astronomy ·

2026/02/19

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com Episode 522. Continuing on with our 2026 resolution we have a special guest listener joining us today. Richard Navarette is a long time amateur astronomer from the San Francisco Bay Area where he has been instrumental in getting people out observing through The Astronomy Connection, well known as "TAC". Richard has owned 20+ telescopes over the years and while he has enjoyed viewing through

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06:18

UNAWE Space Scoop - Cotton Candies Floating in Space?

The 365 Days of Astronomy ·

2026/02/18

Astronomers just found something cool! Typically, most Sun-like stars host planets between the size of Earth and Neptune called 'super-Earths' or 'sub-Neptunes'. These planets often orbit their stars even closer than Mercury orbits our Sun. They're mostly rocky super-Earths or they have a thick atmosphere and a rocky core and are sub-Neptunes. They're the most common types of planet found in our Galaxy. And yet, astronomers weren't sure exactly how these planets formed. So yeah, they found

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32:53

Ask A Spaceman Ep. 266: Is the Universe Made of Math?

The 365 Days of Astronomy ·

2026/02/17

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 beings in a mathematical structure? 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: http://www.youtube.com/PaulMSutter Read a book: https://www.pmsutter.com/books Keep those questions about space, science, astronomy,

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28:35

Astronomy Cast Ep. 782: Luminous Fast Blue Optical...

The 365 Days of Astronomy ·

2026/02/16

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 astronomy has found that the Universe can surprise us. Here's one which astronomers have called Luminous Fast Blue Optical Transients. They're kinda like supernovas, they're kind of like gamma ray bursts, but they're not like them. So what are they? In the distant Universe, are blue light flashes, bright and hard to understand. These objects,

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06:05

Travelers in the Night Eps. 855 & 856: Planetary...

The 365 Days of Astronomy ·

2026/02/15

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 June & July 2025. Today's 2 topics: - In 2016 NASA created the Planetary Defense Coordination Office to manage the mission of finding, tracking, and studying asteroids and comets which could pose an impact threat to our home planet.The NASA documentary "Planetary Defenders" provides an

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15:40

NOIRLab - Mysterious Metallic Cloud Discovered...

The 365 Days of Astronomy ·

2026/02/14

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 Gemini South telescope in Chile offers a rare glimpse into the chaotic and dynamic processes still shaping planetary systems long after their formation. In this podcast, Dr. Nadia Zakamska describes the discovery of this object, stemming from a mysterious dimming of a star, to the analysis of the gas cloud. Bios: - Rob Sparks is in the

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09:15

EVSN - Galaxy Mergers Trigger Black Hole Growth

The 365 Days of Astronomy ·

2026/02/13

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 supermassive black holes. We talk about a gigantic galaxy found in the early universe. And finally, we look at amazing images of a planet being formed around a distant star. 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/365DaysOfAstronomy and donate

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11:48

Guide To Space - What Did Cassini Teach Us?...

The 365 Days of Astronomy ·

2026/02/12

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 Saturn. Let's look back across the mission's history. What were the highlights? What did we learn? Team: Fraser Cain - @fcain / frasercain@gmail.com Karla Thompson - @karlaii Chad Weber - weber.chad@gmail.com Ask me my favorite object in the Solar System, especially to see through a telescope, and my answer is always the same: Saturn. Saturn is

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15:09

Cheap Astronomy - Dear CA Ep. 129: More Rocks

The 365 Days of Astronomy ·

2026/02/11

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 rich one, which makes it a prospecting target for budding asteroid miners. Pysche is also a spacecraft, launched on October 13, 2023. We're recording this episode about one month after launch when it's already over 15 million km from Earth – and its destination? Yep, Psyche – the asteroid. Dear Cheap Astronomy – How is Mars Sample Return

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08:42

Deep Astronomy - Discoveries of Webb Space Telescope...

The 365 Days of Astronomy ·

2026/02/10

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 our galaxy: Sagittarius A*. These observations are possible because the Webb Space Telescope can peer through the dust at the center of our galaxy using infrared light. These observations surprised astronomers. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit:

en

32:17

Astronomy Cast Ep. 781: Awakening Black Holes

The 365 Days of Astronomy ·

2026/02/09

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 standing mystery in astronomy were the quasars. Incomprehensible energy blasting out of a point-like source, billions of light years away. We now know these are actively feeding supermassive black holes, which can turn off and on in a startlingly short period of time. Today: When black holes awaken! Our Universe is filled with sleeping monsters

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06:05

Travelers in the Night Eps. 853 & 854: Tardigrade &...

The 365 Days of Astronomy ·

2026/02/08

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 June, 2025. Today's 2 topics: - In the search for life on Mars, Europa, Titan, and elsewhere in the universe astro-biologists are scouring the Earth for creatures tough enough to flourish under really difficult conditions. So far the leading species are the Tardigrades commonly known as water

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