
The home of the unexplained and all things alien. Discover UFO sightings and real-life mysteries, mind blowing docs, investigative series, and the best of sci-fi.

People search for Bigfoot in North America's dense forests.

Declassified documents from the Cold War shine light into the hidden communications between the US and the Soviet Union during the heavy tensions.

Casefiles uncovers the hidden stories behind various Small Town Monsters films.

The story of one of America's strangest places—and the bizarre activity unfolding there for decades.

Rob and Shelly Hartland believe they live under a UFO superhighway; Peter Khoury claims he experienced a close encounter of the sexual kind.

Exploring Queensland, Australia, and Papua New Guinea, including Queensland farming country, where rain-drenched crops meet the Great Barrier Reef, to investigate the potential link between water and UFO activity.

Investigating the disappearance of pilot Frederick Valentich, whose last transmission provides a disturbing account of his experiences.

Shannon meets with a witness in the White Mountains to learn about her close-up encounter.