Top 20 Best Alien Documentaries Welcome to WatchMojo, and today we’re counting down our picks for the most captivating documentaries and docuseries that cover the fascinating possibilities of visits ...

What does our government really know about “unidentified aerial phenomena?” On the 75th anniversary of the alleged UFO crash outside of Roswell, New Mexico, comes the Tubi two-hour documentary special ...

Explore hidden UFO events from Arizona's rich history, groundbreaking Las Vegas footage near Area 51, and recent alien disclosures in Mexico. This series features fresh interviews, declassified Cold ...

If you’ve ever found yourself utterly fascinated by the behavior of a cult that seems, in retrospect, to very clearly be a cult, then you probably loved Raël: The Alien Prophet. This new documentary, ...