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, ...

A staple of the "Star Trek" franchise since its earliest days is its inclusion of imaginative extraterrestrial characters. Whether as members of Starfleet vessels or villains-of-the-week, the ...

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 ...