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 ...

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, ...

Star Trek can usually make rubber forehead aliens not just cool, but turn them into pop culture icons. Their five worst ...

Add Yahoo as a preferred source to see more of our stories on Google. The Borg queen smiles in Star Trek: First Contact - Paramount Some of the most famous alien races in all of science fiction ...

On Mars, Earth’s neighbor, lived one of the strongest and most versatile alien races in the universe. The red planet had two types of Martians, Green and White, with the former being slightly stronger ...

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.