Video evidence shows an unidentified object that resembles a “tic tac” off the coast of San Diego, in this clip from Season 3 ...

The sky cleared over Mt. Pleasant Township Saturday afternoon — but not enough to let a UFO crash through the clouds. Still, ...

This deep dive tours fictional worlds ranging from a tidally-locked planet crawling with giant slow-moving "starfish" to a gas giant where whale-sized animals float through the sky.

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Stacker compiled a ranking of cities with the most UFO sightings in New York using data from the National UFO Reporting ...

Trump‑era science advisers are working through the president's UFO files, explaining many glowing orb sightings as manmade ...

A glowing object streaking across the night sky over Northwest China's Xinjiang Uygur Autonomous Region on Tuesday night left ...

Stacker compiled a ranking of cities with the most UFO sightings in Connecticut using data from the National UFO Reporting Center.