Trump made the announcement in a social media post hours after he accused former President Barack Obama of disclosing “classified information” when Obama recently suggested in a podcast interview that ...

Are aliens real? Former President Barack Obama seems to think so. Here's how common extraterrestrial sightings are in ...

The idea that humans may have company in the universe was given a boost this week after two U.S. presidents commented on the possibility of extraterrestrial life. “Are aliens real?” a podcaster asked ...

In "After the Flying Saucers Came: A Global History of the UFO Phenomenon," Greg Eghigian explores how individuals, scientists, governments and the media responded to reports of UFO sightings and ...

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 ...

When pilot Kenneth Arnold took off from Chehalis, Washington, in his single-engine airplane one afternoon in June 1947, he was looking for a lost military aircraft that had crashed. But what he found ...