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

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

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

In early 2008, residents in and around the small central Texas town of Stephenville experienced something unexplainable: UFO ...

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be ...

The Pentagon on Friday released a third batch of vintage classified files related to “flying saucers” and other unidentified ...

Internet-famous UFO stories so wild they may just be true Alien and UFO sightings have been anomalies for decades. While the ...

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

A series of UFO sightings by federal officials in the western US are detailed in striking illustrations made public by the ...

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 ...

Kansas City has long been a hotbed of activity, says Margie Kay, director of the Missouri chapter of the Mutual UFO Network ...

Steven Spielberg's new blockbuster coincides with real-world disclosures about the government's investigation of unidentified ...