You saw the photos, didn't you? A vision from another world, haunting the night sky. People questioned everything – aliens, ...

Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest ...

Add Yahoo as a preferred source to see more of our stories on Google. In a series of papers, astronomers have compared the "Wow!" signal to similar radio signals detected at Big Ear Observatory in ...

The title of Disclosure Day tells you everything you need to know. In Steven Spielberg’s latest sci-fi blockbuster, there’s never any question of whether extraterrestrial life exists (it does) or ...