nebula | Isaac Arthur

Aliens Beyond the Galactic Rim?

Worlds far from the Galactic Core are thought to be low in many important elements for life, but some new research calls that into doubt, indicating that the ancient old worlds of the galactic rim might harbor alien life. See our episode The Fermi Paradox: The...

Deep Space Habitats

Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur Every known planet, moon, and asteroid in our solar system occupies a volume of space both...