These shocking UFOs have been spotted over some of the biggest cities in the U.S. See more in this compilation from The Proof is Out There.

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

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

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

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

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be hiding underwater.

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

The newly released records span from 1948 to 2025 and include reports, videos and images tied to unresolved unidentified ...

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

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