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

I always get a bit uneasy around zombie movies that seem to relish killing zombies. There are exceptions like "Zombieland," but too often the genre feels completely indifferent to the idea that the ...

We may receive a commission on purchases made from links. Are we alone in the universe? It's a huge question with no easy answer. And, following on from that, if we aren't alone, what would beings ...