Add Yahoo as a preferred source to see more of our stories on Google. “If you found out we weren't alone, if someone showed you, proved it to you, would that frighten you?” the official logline reads.

Recently released FBI documents from 71 years ago detailed claims that aliens sent messages to members of one of the oldest UFO organizations in the U.S. The recently uncovered files were part of a ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...