Steven Spielberg is one of the greatest filmmakers of all time, and he has created some truly chilling alien encounters.

From unexplained sightings to alleged government cover-ups, these documentaries explore the possibility of life beyond Earth Emily Blackwood is a writer and editor at PEOPLE. She has been working at ...

Reports of UFOs, or Unidentified Aerial Phenomena (UAPs) as they are known in more modern times, have seized imaginations for generations. The mystery of what they really are, what they might ...