From space slugs to lunar cemeteries, these movies, games, and books show that the undead can arrive from above, as well as below.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." FOR WHAT IS mostly—as far as we know—an endless expanse of nothingness, space sure is surprisingly full ...

Forbes contributors publish independent expert analyses and insights. Travis Bean writes about the best movies available to stream. That’s why I set out to rank the best alien and space movies ever.