exo civilizations

Artist's rendering of the first planet outside of our solar system to be imaged orbiting a brown dwarf star, called the 2M1207 system.

Is Humanity Unusual In The Cosmos?

by Adam Frank

Commentator Adam Frank talks with Harvard astrophysicist Avi Loeb about exo-civilizations, techno-signatures, and the search for alien life — living or long-gone.