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

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

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

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 ...

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

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

NASA's relationship with UFOs has evolved alongside broader changes in public and government interest in unexplained ...

The volume includes 40 new files, including 19 videos.