Steven Spielberg's 1977 classic tapped into anxieties about the US government hiding UFO information from the public. It holds the key to the director's new film, Disclosure Day.

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

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

Avi Loeb’s White House panel has asked the Pentagon for videos and files on unexplained aerial sightings ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters of the Third Kind contact humans using music and lights, but the director ...

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

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

For instance, what if we really are being visited by aliens from other worlds and they turn out to be aggressive, violent, ...

Michael Sheen is set to star in a Welsh comedy film about a UFO sighting - after sharing his own encounter with "a phalanx of ...

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