Steven Spielberg returns with Disclosure Day, a sci-fi film about alien encounters starring Josh O'Connor and Emily Blunt, arriving June 12.

The spooky incident occurred in November 1979.

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn more.

A trove of previously top secret National Security Agency records have just been released that detail a spate of apparent UFO encounters, including one incident where 13 military fighter jets were sent to chase a mysterious unidentified object.

During a training debriefing, three Anoka police employees saw a UFO resembling an atomic diagram, sparking renewed interest in Minnesota's history of unidentified aerial phenomena.

Devils Tower, Wyoming (CNN) — The buzz started in a hay meadow at the foot of a mysterious-looking geological formation. Helicopters and trailers arrived in large numbers, famous faces and a distinguished director settled in near grazing cattle, and the ...