For decades, scientists have searched the cosmos for evidence of intelligent life beyond Earth. A new study suggests that if extraterrestrial civilizations have attempted to communicate with us, there ...

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 ...

Recently released FBI documents from 1955 detailed claims that aliens sent messages to members of one of the oldest UFO organizations in the U.S.