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

At a secluded cliff overlooking the sea in Netanya, a group of UFO enthusiasts gathers after dark to investigate mysterious ...

A video of a ‘weird’ object hovering in the sky was shared on social media, leaving the internet taking all kinds of guesses ...

Federal agents encountered a large aircraft that zoomed across the sky from a standstill while making no noise or giving off any exhaust, according to new files.

Some UFO movements look impossible at first glance, but motion can be surprisingly deceptive. The most interesting cases are ...

A French weather photographer captured rare red sprites, or “space lightning," flashing above a mountain village. The brief ...

Did you see any strange lights in the sky over Morris County? Videos posted online showed what appeared to be as many as ...

The second annual Pahrump Alien Conference brought UFO believers and alien enthusiasts to Nevada to discuss mysterious orbs, ...

In the background of one scene from 'Rio Grande,' something appears to be shooting across the sky just behind Wayne and ...

A giant bright light emanating from the Cincinnati sky Tuesday morning left some spectators shocked and others confused. Amateur astronomer Eric Harris captured the light in a vid ...