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

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

The National UFO Reporting Center reports there have been over 2,400 UFO sightings in Tennessee since 1995. Nashville, ...

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

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

It was the late 1950s when Ruben Uriarte saw his first UFO — a silvery, oval-shaped object hovering by the Oakland foothills.

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

The US government repeatedly publishes videos and documents on UFO sightings. A controversial physicist is now supposed to ...

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