The History Channel paranormal expert was just 53 years old.

David Wilcock, star of Ancient Aliens, has passed away from an apparent suicide after a police standoff. He was 53 years old.

"Within minutes of deputies' arrival, he used the weapon on himself," local police reported.

Some of the most famous alien races in all of science fiction originate in the "Star Trek" universe. From the violent, war-mongering Klingons to the silly, furry Tribbles, there are any number of ...

It's not just iconic characters like Kirk, Spock, and Janeway that have made "Star Trek" one of the best science fiction franchises of all time. It's also its memorable alien races like the Klingons, ...