Scientists have discovered a massive ancient volcanic rock structure beneath Bermuda, explaining the island's buoyancy and ...

The Pentagon releases scores of UFO files with reported sightings of spheres, discs and fireballs spanning nearly 80 years.

A second batch of previously classified files on reported UFO sightings has been released by the US Department of Defence. Catch up below.

The Grammy winning superstar called it “the craziest” encounter: “These orbs were not moving like any craft that we can control. They were intermittently coming and going, forming triangle patterns.” ...