Donald Trump's latest release of declassified UFO files has renewed scrutiny of one of the most enduring questions in modern ...

A new government website packed with documents from NASA, the FBI, and the military is now open to the public.

The Department of War released 162 files — including photos and video — related to UFO sightings. Here are the 5 most intriguing revelations.

The Universal Pictures film is scheduled to hit theaters weeks after the Pentagon released its latest trove of UFO files.

A former CIA-funded researcher claimed that "at least four" different alien species have been discovered in wreckage ...