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

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

Check out 5 MORE mysterious UFO sightings that just can’t be explained, in this The Proof Is Out There compilation.

The world is getting stranger by the week. Newly released Pentagon files are now exposing decades of unexplained aerial ...

Today marks 79 years since the U.S. first started seriously worrying there might be something "out there." But was it the ...

Group set up by Harvard professor Avi Loeb to advise White House, Pentagon, FBI and American intelligence community on ...