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

UFOs aren’t new. Indeed, humans have been describing unidentified flying objects for millennia, with depictions of disk-like objects and unusual atmospheric objects found in the art and literature of ...

There is a pretty pervasive and consistent assumption in our long history of UFO sightings: that the unidentified objects some of us see in the night sky are vehicles or crafts inside of which are ...

The seventh batch of unclassified files also includes eyewitness accounts of dog-like creatures and trolls at a Utah ranch.

A fresh tranche of files released under the Trump administration’s transparency initiative has just dropped some jaw-dropping details about UFOs. The declassified files reveal high-speed encounters ...

New UFO files describe federal agents' sighting of a silent triangular craft near a US security site, prompting calls for further Pentagon investigation (Image is for illustrative purposes only) AI ...

They said they made this strange sighting in August ...

The object went from a hover to the speed of a military fighter jet in a matter of seconds.

A strange object has been spotted in a NASA video, leading to claims that astronauts on the International Space Station were ...