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

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

The National UFO Reporting Center has documented nearly 1,200 UFO sightings coming from people in Louisiana, but experts say 95% of the sightings nationally can be explained later. Now, as the ...

Half a century after "Close Encounters of the Third Kind," the director returns to the subject of UFOs with "Disclosure Day." His science fiction films are informed by his fascination with alien encou ...

The Pentagon released the first batch of files related to alien and extraterrestrial life, unidentified aerial phenomena and unidentified flying objects on Friday at the direction of United States ...