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 ...

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

Recently released FBI documents from 71 years ago detailed claims that aliens sent messages to members of one of the oldest UFO ...

A hoax 'alien invasion' alert in Brazil caused panic and amusement, revealing vulnerabilities in emergency systems.

The FBI files revealed alleged messages from ‘outer space people’ containing chilling warnings for humanity. The documents ...