Pilot Kenneth Arnold reported seeing nine unidentified flying objects whizzing past Mount Rainier at high speeds from his ...

During these military exercises in 1952, various UFO sightings were recorded... but what did those at sea really see?

This is one of the most famous UFO sightings and alien abduction cases in history. Betty and Barney Hill were driving on a rural New Hampshire road one night when a bright light seemed to start ...

Here's the breakdown on Nevada's history with UFOs, and what we've been spotting in the sky lately. The Nevada State Journal reported a UFO sighting in July 1947, including a firsthand account ...

But are UFO sightings like this one a sign of extraterrestrial ... performance capabilities,” the report said. “In the long history of claims of extraterrestrial visitors, it is this level ...

Multiple UFO sightings in southern Michigan made headlines ... according to the Bentley Historical Library at the University of Michigan. Other objects had been seen on March 14 and March 16 ...

UAP and UFO sightings in the U.S. are particularly concentrated in the West, partially because of the abundance of dark sky ...