Astronomy Cast

Take a facts-based journey through the universe.


Take a listen

13 Seasons and more than 500 episodes await.

Ep. 610: What is Required to Confirm Alien Life: Non-sentient Edition

Ep. 610: What is Required to Confirm Alien Life: Non-sentient Edition

Are we alone in the Universe? It’s one of the biggest scientific questions we can possibly ask. And yet, with rovers on Mars, missions planned to visit Europa and Ganymede. Powerful telescopes able to detect the atmospheres of exoplanets, we’re closer than ever to finding out the answer.

More Information
Ep. 609: The Benefits of Volcanoes

Ep. 609: The Benefits of Volcanoes

Volcanoes can be some of the worst natural disasters we can experience here on Earth, but life wouldn’t even exist without them. What are volcanoes good for anyway?

More Information
Ep. 608: NASA Perseverance – The First 100 Days

Ep. 608: NASA Perseverance – The First 100 Days

As you all know, Pamela refuses to talk about any missions which aren’t actually doing science. Well, Perseverance has crossed the line, from fantasy to an actual working rover, scooping regolith and yeeting helicopters. What has the rover accomplished in its first 100 days?

More Information