Star Trek is packed with all sorts of alien, both on the Enterprise and throughout the final frontier, and these are the strongest alien races of them all.

Over the franchise's legacy, several of these major alien races have undergone substantial revisions, though their core cultures largely remain intact. Decades into its own legacy, "Star Trek" never ...

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, ...