Podcast Episodes

Guide To Space - Oldest Rock From Earth Was Found On The Moon (Of All Places)

https://www.youtube.com/watch?v=0h_ckjhGdjs

From  Feb 2, 2019.

Geologists think they've found the oldest Earth rock ever seen. And they found it in one of the last places you'd ever suspect, on the M…

Published on 2 months, 4 weeks ago

Deep Astronomy - How to Find the Orion Nebula

https://www.youtube.com/watch?v=Z3287bkIOiM&ab_channel=DeepAstronomy

Hosted by Tony Darnell.

From  Oct 22, 2024.

Your Sky Tonight is produced by Deep Astronomy and made possible by members of this Y…

Published on 3 months ago

Astronomy Cast Ep. 763: Interstellar Comets

https://www.youtube.com/watch?v=op5hkKFWFlM

Season 19.

Streamed live Sep 8, 2025.

Welcome to the first episode of our 19th season! This week we look at objects coming from other solar systems that co…

Published on 3 months ago

Travelers in the Night Eps. 331E & 332E: Asteroid Defense & Another Close 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 Little Rock in 2006. travelersinthenigh…

Published on 3 months ago

NOIR Lab - Fast X-Ray Transients & The Deaths Of Massive Stars

Since their first detection, powerful bursts of X-rays from distant galaxies, known as fast X-ray transients (FXTs), have mystified astronomers. FXTs have historically been elusive events, occurring …

Published on 3 months ago

EVSN - Rockets Make Bad Neighbors

From September 3, 2025.

In this week's episode, we take a look at the impact SpaceX launches from the Space Coast will have on their competitors and those living, working, and going to school near Ke…

Published on 3 months ago

Space Stories - Where Day Meets Night: The Equinox

Hosted by Avivah Yamani, our Director.

We are exploring the word Equinox. We start by having the definitions, why "equal night" isn't quite exact, how spring/autumn flip between hemispheres, and a wh…

Published on 3 months ago

Guide To Space - What Does the Universe Do When We're Not Looking?

https://www.youtube.com/watch?v=L1otYvmqp6w

Hosted by Fraser Cain.

From Jul 19, 2016.

Some of the greatest discoveries in astronomy have been made by watching how the skies change over time. Today we…

Published on 3 months ago

Ask A Spaceman Ep. 255: How Do The Biggest Stars Get So Big?

How do we measure the sizes of stars? What are the biggest ones today, and how big could stars have gotten in the past? Is there any way for a star to cheat and get even bigger? I discuss these quest…

Published on 3 months, 1 week ago

Astronomy Cast Ep. 155: Dwarf Stars

http://www.astronomycast.com/archive/

From September 14, 2009.

We think we live near an average star, but that's not the case at all. Compared to most stars in the Universe, the Sun is a giant! Let's…

Published on 3 months, 1 week ago