Alien invasions are terrifying to think about, but cool to watch on TV. These are the 10 best shows you can watch about that unlikely occurrence, ranked.

Add Yahoo as a preferred source to see more of our stories on Google. Here's what one might expect from a series rooted in the "Alien" universe: dimly lit spaceship corridors, sleeping pods, computer ...

Here's what one might expect from a series rooted in the "Alien" universe: dimly lit spaceship corridors, sleeping pods, computer screens, something slithering in the shadows and, of course, lots and ...