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

New three-part documentary series explores the truth behind the footage that captivated the globe in the 1990s ...

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...

"Explore the cosmos from your couch with Netflix’s most captivating space documentaries. From historic space missions to mind-bending black holes, these films reveal the universe’s greatest mysteries ...