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

A 14-second UFO over Tehran clip shows unexplained multicolored lights as users debate drones, kites, or military craft. See what is verified ...

Add Yahoo as a preferred source to see more of our stories on Google. Mysterious footage released in the Pentagon's UFO files on Friday appeared to capture a bizarre "eight-pointed star" streaking ...

Iranian UFO video over Tehran goes viral as social media users speculate about the unidentified lights, but the footage remains unverified.