Did a flying saucer just land at NASA? It sure looks like it.

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

Half a century after "Close Encounters of the Third Kind," the director returns to the subject of UFOs with "Disclosure Day." His science fiction films are informed by his fascination with alien encou ...

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

The National UFO Reporting Center has documented nearly 1,200 UFO sightings coming from people in Louisiana, but experts say 95% of the sightings nationally can be explained later. Now, as the ...

The government released new documents about UFOs. In the files are several newly revealed UFO investigations in Arizona. Here's what they show.

If you wanted to put a precise date on the origins of our obsession with saucers, the most-cited contender is June 24, 1947. That was the day that Kenneth Arnold, an amateur pilot from Idaho, was ...