The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn more.

The latest release of shocking top secret Pentagon UFO files - after being buried for more than 40 years – reveal a string of terrifying encounters with extraterrestrials, including a perilous dogfight between 13 Russian-made military jets and a spacecraft with capabilities far beyond human comprehension.

For roughly the first three decades of his career, Spielberg tended to take a fairly sanguine view of aliens, refusing to succumb to the disaster-movie framework of aliens attacking terrified Earthlings. That changed in a big way after 9/11, when Spielberg made a couple of Tom Cruise -starring sci-fi blockbusters grappling with a changed world.

As a child, Steven Spielberg stared at a meteor shower and began his love affair with the sky. The director of the 1977 classic "Close Encounters of the Third Kind" returns with "Disclosure Day," which imagines closely-held secrets surrounding alien visitations.

No bombshells so far in the latest Pentagon batch of declassified Unidentified Anomalous Phenomena files. But they show the CIA hid its involvement.

Steven Spielberg says he believes aliens have already reached Earth. The director made the comment in a new CBS Sunday Morning interview with Ben Mankiewicz ... Read More

The International Raëlian Movement, also know as Raëlism, is a UFO religion that was founded in France in the 1970s. It is still practiced today, with its strongest followings in parts of Asia, Africa and Canada, according to Susan Palmer, a sociologist who studies new religious movements at Concordia University in Montreal.

But with the release of his new sci-fi film “Disclosure Day” (read my review here ), I thought it would be fun to offer a ranked list of just Spielberg’s sci-fi movies. I’m going to be liberal with my definition of sci-fi.