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

An audio tape reportedly exists of a UFO briefing between Air Force officials and scientists in 1952.

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

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

In 1952, a series of unexplained sightings took place in the skies above Washington. These unidentified objects attracted ...

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

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

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

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

The most recent UFO sighting in Milwaukee was on August 13, 2025, which was one of four sightings reported in the city last year, according to NUFORC.

Buzz Aldrin is quoted as having made three observations, one of which was of something with a "sizeable dimension." ...

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