The Marvel Universe wouldn't be as large and expansive without the alien worlds that populate it. All sorts of alien races exist, from the humanoid to incomprehensible creatures. Originally introduced ...

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 ...

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 ...