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

The Pentagon on Friday released a new group of documents and videos related to UFOs, or UAPs, with 72 more documents, images ...

No bombshells so far in the latest Pentagon batch of declassified Unidentified Anomalous Phenomena files. But they show the CIA hid its involvement.

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

Pilot Kenneth Arnold took flight from Chehalis, Washington in his single-engine airplane, looking for a missing military ...

He estimates hundreds of incidents occur annually that baffle military leaders.

National attention on UFOs has shifted in recent years, especially after the US government in the past decade has released ...

The latest batch of UFO files from the Pentagon includes artistic renderings by credible witnesses.

Christopher Mellon, a former high-ranking official in the U.S. Defense Department, says U.S. military leaders are baffled by ...