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

Reports of unidentified flying objects have been documented in different parts of the world for decades. While many sightings ...

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

If you're a skeptic, these UFO sightings will convince you that the truth is out there—and it may not be from Earth.

Trump administration science advisors are offering conventional explanations for some of the sightings of mysterious orbs of ...

A DECLASSIFIED government report has revealed a silent, diamond-shaped UFO hovered just 100 to 200 feet above America’s ...

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 ...

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

The object was spotted by several Pantex employees, and through binoculars, the object was identified as roughly four feet ...

The volume includes 40 new files, including 19 videos.

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

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