The Proof Is Out There” is back this Friday, March 6. Watch the season 6 premiere at 10 p.m. ET on the History Channel.

Generally, states with large populations and wide-open skies reported the highest number of UFO sightings in the U.S.

Presidential commentary on UFOs didn’t begin in the age of podcasts and social media. For more than 200 years, the question ...

William Neil McCasland, 68, who commanded Wright-Patterson Air Force Base in Ohio before his 2013 retirement, was last seen ...

Arc Raiders players heading topside for the new Shrouded Sky update have their tin foil hats on after video of a mysterious ...

These smooth, lens-shaped clouds are some of the most eye-catching formations in the sky.

When a mysterious crescent appeared over Moscow in 1967, alien enthusiasts were unaware they were actually tracking a ...