One pilot's offhand description in 1947 started a national obsession that never quit.

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

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

A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...

Vanity Fair reports from the Capitol Hill conference, where members of a sprawling community of national security experts and ...

Cambridge leads UK cities in police-recorded UFO sightings, with a '1 in 400 lifetime chance' claim. However, the data ...

In 1947, pilot Kenneth Arnold's report of strange objects over Mount Rainier and a fateful media misquote created the 'flying ...