Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...

Turns out the Nixon–Jackie Gleason alien legend is far from the only Hollywood close encounter.

In 1977, Brazil witnessed mysterious UFO encounters known as 'Chupa-Chupa', involving unexplained injuries and a military ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

NASA's relationship with UFOs has evolved alongside broader changes in public and government interest in unexplained ...