THERE ARE, if you are so inclined, plenty of things to bitch, moan, snicker, and roll one’s eyes about: Avatar is a movie about nine-foot-tall blue cat people who live in outer space. Avatar is one of ...

Whether it's extra-terrestrial invaders or a nightmare of our own creation, sci-fi often calls us to action. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...