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

A declassified 1948 US military memo has fuelled renewed debate after researchers claimed it suggests officials believed they ...

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

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

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

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

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

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

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

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? It was a temperate summer evening on September 19, 1961, when husband-and-wife duo ...