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 Connecticut using data from the National UFO Reporting Center.

Bombshell files documenting alleged sightings of unidentified flying objects and aliens have been published by the US ...

A polarizing Harvard University astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security risks ...

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...