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 ...

Move over Xenomorph — these are the most mind-bendingly terrifying aliens in fiction. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Heyyyy, ...