"Project Hail Mary" really pushes the limit when it comes to non-humanoid aliens. But researchers posit that real aliens ...

Consciousness may arise in systems far different than the biology on Earth we are used to, according to new research.

Steven Spielberg has always believed we’re not alone in this universe. With ‘Disclosure Day,’ he may make a believer out of you, too.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...