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

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

A new federal release is giving the public another look at unexplained sightings. The Department of War released its third batch of declassified UFO and Unidentified Anomalous Phenomena records on ...