He estimates hundreds of incidents occur annually that baffle military leaders.

An audio tape reportedly exists of a UFO briefing between Air Force officials and scientists in 1952.

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

Pols and experts claim that there’s a long-unheard secret tape of an “Invasion of Washington” UFO briefing – and they say the ...

On a dark night several decades ago, Kate Bush pulled over by the side of the road to discover a strange phenomenon in the ...

In early 2008, residents in and around the small central Texas town of Stephenville experienced something unexplainable: UFO ...

"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

In 1952, a series of unexplained sightings took place in the skies above Washington. These unidentified objects attracted ...

A recording of a 1952 Air Force briefing on the 'Invasion of Washington' UFO incidents may soon be released, potentially ...

Extraterrestrial visitors are not only already here – they are landing in a top secret “alien airport” hidden away in the ...

Area 51 is back in the spotlight after a swarm of earthquakes near the Nevada military base. But the real story of Area 51 is ...

The DOW says the federal government is unable to confirm the nature of the observed phenomena, due to the lack of sufficient ...