Americans have suspected the U.S. government of concealing information related to extraterrestrial findings for decades.

Add Yahoo as a preferred source to see more of our stories on Google. In 1947, the United States Air Force claimed that a "flying disk" had been recovered in New Mexico, but quickly retracted the ...

Reverse engineering alien spacecraft: A French 'flying saucer' aircraft, the Couzinet Aerodyne, is modeled after the suspected UFOs spotted in the 1950s. (Photo by Keystone/Hulton Archive/Getty Images ...

The UFO phenomenon has apparently ended in Wytheville, as the sightings have apparently ended, but the UFOs have never been explained.

"Everything we call real is made of things that cannot be regarded as real," confessed Danish theoretical physicist Niels Bohr, who's widely considered the father of quantum theory. "Prediction is ...

Ufologists call the Roswell incident the “ultimate cold case file." On the night of July 2, 1947, amid a severe lightning storm, ranchers outside of Roswell, N.M., recall hearing what sounded like an ...

"Unsolved Mysteries" has featured several UFO segments, including investigations of the Rendlesham Forest incident, Allagash Abductions, Roswell, Area 51, and the Phoenix lights. These segments often ...