Ever since 1979, moviegoers have been terrified by the nameless xenomorph introduced in Alien. And the success of that movie ensured that this franchise expanded even quicker than a chestburster ...

One of the very first narrative films, Georges Méliès's "A Trip to the Moon," is about aliens. Sure, everyone remembers that shot of a rocket ship crashing into the eye of the man in the moon, but as ...