Science & Medicine

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. Ev...

Episodes

20 of 432 episodes

Ask A Spaceman Ep. 283: What's Really Going on with UAPs?

Strange Skies! Hosted by Dr. Paul M. Sutter. What are UFOs? What are the chances that aliens have visited the Earth? Why should we bother ta...

30:42Nov 3, 2026

Astronomy Cast Ep. 807: Mission Tech Series: Ion Drives

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

32:18Nov 2, 2026

Travelers in the Night Eps. 389 & 390 Rose Rules Again & Meteor Whispers

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

06:05Nov 1, 2026

Guide To Space - Space Bites: Phobos or Bust! & "Impossible" Green Stars Are In Fact Real

https://www.youtube.com/watch?v=B9P_8oZ4rCA Hosted and recorded by: Fraser Cain ( @frasercain ) From Oct 23, 2026. The Japanese mission is o...

27:45Oct 31, 2026

EVSN - Exposed Planetary Core Discovered & LIGO Reveals "Spooky Popcorn"

Hosted by: Dr. Pamela L. Gay ( @CosmoQuest ) From July 2, 2020. Join us today as we talk about the first exposed planetary core ever discove...

51:09Oct 30, 2026

Space Stories - Let's Look at the Weirdest Corners of Space!

https://www.youtube.com/live/H0qVigc9gnQ Hosted by: Dr. Pamela L. Gay ( @CosmoQuest ) Book Talk with Dr. Kimberly K. Arcand & Megan Watzke....

51:15Oct 29, 2026

Space Stories - Astronomy Words: Metal

Written & hosted by our Director, Avivah Yamani. Why do astronomers call oxygen and carbon metals? Explore how stars created the elements th...

06:21Oct 28, 2026

Cheap Astronomy - Dear CA #142: Knowns & Unknowns

Hosted by Steve Nerlich. Who knew? Dear Cheap Astronomy – Do gravitons exist? Once again we're dealing with something hypothetical here – so...

14:52Oct 27, 2026

Astronomy Cast Ep. 806: Mission Tech Series: Thrusters

https://www.youtube.com/watch?v=rK6w8ZHm8UM Streamed live 18 Oct 2026. Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela L. Gay ( @Cosmo...

30:24Oct 26, 2026

Travelers in the Night Eps. 387 & 388: Long Winter Nights & Greg's Comet

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

06:05Oct 25, 2026

Guide To Space - What Happens When Black Holes Collide? Black Hole Mergers Across The Universe

https://www.youtube.com/watch?v=vvSNWnHZpjc Hosted by: Fraser Cain ( @frasercain ) From Oct 4, 2016. Black holes are the most impressive obj...

07:00Oct 24, 2026

EVSN - Repainted Rose, Worlds Colliding & White Dwarfs of Unusual Size

From October 21, 2026. Hosted by Dr. Pamela L. Gay ( @CosmoQuest ) This week we look at the weird results in space science. From looking at...

36:21Oct 23, 2026

Cheap Astronomy - Dear CA #141: Sorting The Universe

Hosted by Steve Nerlich. A podcast of sorts… Cheap Astronomy gets organized! Dear Cheap Astronomy – How are asteroids organized? The large m...

14:45Oct 22, 2026

Awesome Astronomy - The Nancy Grace Roman Space Telescope

October Part 2. Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. Jeni gives us t...

01:14:22Oct 21, 2026

Ask A Spaceman Ep. 282: What Happens When You Shine a Light on Nothing?

Light Up Empty Space! Hosted by Dr. Paul M. Sutter. How does the vacuum interact with light? Is it possible to use light to create something...

23:16Oct 20, 2026

Astronomy Cast Ep. 805: Mission Tech Series - Gyroscopes & Servos

https://www.youtube.com/watch?v=mcn6f_PE14o Spinney things! Streamed live 18 Oct 2026. Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela...

34:01Oct 19, 2026

Travelers in the Night Eps. 385 & 386: New Aten & Silent ET

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

06:05Oct 18, 2026

AstroMan - G Is For Galileo

Galileo turned the telescope skyward and transformed astronomy, revealing lunar mountains, sunspots, Jupiter's moons, and a Universe far lar...

11:14Oct 17, 2026

Actual Astronomy - Saturn at Opposition

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

49:40Oct 16, 2026

EVSN - Luminous Kilonova Challenges Gamma-ray Burst Theories

From November 2020. The brightest kilonova ever was detected and challenges current gamma-ray burst models. Plus, the history of water on bo...

21:02Oct 15, 2026