From declassified footage to eyewitness testimonies, here are 10 must-watch UFO documentaries to prepare for Steven Spielberg’s Disclosure Day.

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 ...

"We interviewed dozens of very high-level, credible officials who said these unknown threats could basically destroy our way of life forever," the "Age of Disclosure" director says After months of ...