After seeing Steven Spielberg's "Disclosure Day," check out these real-life accounts of strange aerial sightings.

The Pentagon on Friday released a new group of documents and videos related to UFOs, or UAPs, with 72 more documents, images and recordings.

A secretly filmed documentary on UFO investigator Jeremy Corbell arrives as the federal government releases declassified UAP documents to the public.

Internet-famous UFO stories so wild they may just be true Alien and UFO sightings have been anomalies for decades. While the ...

A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

Donald Trump's declassified UFO files and the documentary Sleeping Dog reignite the debate on extraterrestrial life, yet officials maintain no evidence confirms alien existence.