Check out 5 MORE mysterious UFO sightings that just can’t be explained, in this The Proof Is Out There compilation.

No, this is not behind-the-scenes footage of Spielberg's latest film "Disclosure Day" ... these are recently released files ...

Catch up on the most interesting science news from the last week.

The volume includes 40 new files, including 19 videos.

To Avi Loeb, who leads a panel of scientists advising the White House on UAP, it’s obvious the anomalies outside Columbia’s ...

The Pentagon released its fourth batch of files related to unidentified anomalous phenomena UAPs Friday, which contains 40 ...

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

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

Stacker compiled a ranking of cities with the most UFO sightings in Florida using data from the National UFO Reporting Center ...