Newly-declassified US government documents show strange drawings of alleged alien sightings from Utah in 2010.

Mysterious black triangle objects speeding up to 1,800 miles per hour without vapor trails were spotted over secret US ...

An eerie sighting over Washington DC has sparked claims that alien craft are hiding in America's skies.

The new files include witness statements and drawings after alleged Skinwalker sightings on a ranch in Utah.

The seventh batch of UFO files was released by the Pentagon, featuring witness reports about mysterious objects soaring near ...

A little over a month after former President Barack Obama re-opened the door to discussions about extraterrestrial life, a new study shows how frequently people think they could have spotted aliens.