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

Michael Gold previously served as NASA’s associate administrator for space policy and partnerships.

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

"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

Lawmakers and Trump UFO advisors are naming the private corporations who allegedly operate alien craft-retrieval programs — ...

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

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

In 1945, a rancher and his children reported seeing an egg-shaped craft of unknown origin crash in the desert near the ...

The Pentagon on Friday released a third batch of vintage classified files related to “flying saucers” and other unidentified anomalous phenomena — better known to most Americans as unidentified flying ...

A local UFO informational event is gathering national attention as fascination in unidentified flying objects, or UFOs, is ...

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