If you're a skeptic, these UFO sightings will convince you that the truth is out there—and it may not be from Earth.

Mysterious footage released in the Pentagon’s UFO files on Friday appeared to capture a bizarre “eight-pointed star” ...

A new report details that the number of sightings of Unidentified Anomalous Phenomena is increasing as enthusiasts are searching for a chance to connect with the outrageous mysteries of the universe.

It’s not enough with the vortices, already? Apparently not. The night-vision-goggles-wearing folks behind this event promise “UFOs darting about in the nighttime sky” and “huge motherships launch[ing] ...

On Nov. 5, 1975, Travis Walton stepped out of a truck to gain a closer look at something strange. In the distance, he could hear six of his logging crewmates urging him to come back inside. As Walton ...

Common misidentifications: BBC Sky at Night outlines 17 natural and man-made phenomena that are frequently mistaken for UFOs. From meteors to flares: Explanations include meteor fireballs, lens flares ...

One video released in the Trump Administration's UFO disclosures shows a glowing object resembling an 'eight-pointed star' ...