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