Steven Spielberg's eerie 'Disclosure Day' trailer has ignited alien theories online. Is it hinting at hidden extraterrestrial ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Jessica Mendoza: Has the United States government ever made contact with UFOs?

Some of the most prevalent UFO conspiracy theories — including about aliens being housed at Area 51 in Nevada — were fueled ...

It came from the dark, quiet parts of interstellar space, maybe from a place where the sun doesn't have much of an effect. It ...