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 saucer' and reshaped UFO history.

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 ...

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

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from the first time people have reported seeing inexplicable lights in the sky.

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

The latest tranche of declassified “UAP” files don't reveal much.

A 2026 document release revealed decades of U.S. government UFO/UAP investigations. Arizona appears frequently in UFO files from the 1940s through the 1960s. Notable Arizona cases include a 1947 Grand ...

In 1977, Brazil witnessed mysterious UFO encounters known as 'Chupa-Chupa', involving unexplained injuries and a military investigation which remains unsolved to this day.