Many of the most memorable Star Trekaliens debuted on the TV shows, but a handful of classic alien races made their first appearance in the movies. Airing its first episode in 1966, Star Trek: The ...

Since 1962, the Skrulls have been Marvel's trademark shapeshifting aliens - now, Fantastic Four has introduced their much more terrifying replacements. It's a reinvention a long time coming, but one ...