New book explores what alien life may be like on habitable exoplanets
Astrophysicist Dr. Lisa Kaltenegger surveys the galaxy in her new book 'Alien Earths.' We 'might not even recognize' alien life, she says, when it's 'staring us in the face'
A water world ruled by octopus-like creatures.A planet divided by light and dark where the sun never rises.And a lava hell where molten rock rains from the sky. Load More