A 1948 secret military report and reports of UFO activity at nuclear missile sites suggest a history of government concealment regarding unidentified flying objects.

The Pentagon on Friday released a third batch of vintage classified files related to “flying saucers” and other unidentified anomalous phenomena — better known to most Americans as unidentified flying ...

Jared Isaacman says NASA has captured imagery of unknown objects it cannot explain, as Trump pushes broader UAP ...

The volume includes 40 new files, including 19 videos.

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

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 ...

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

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