The aliens have landed! Well, at least at the box office: Battle: Los Angeles, Paul, and Mars Needs Moms are all currently showing in theaters, proving that our fascination with the otherworldly is still going strong. While these three movies probably won't go down in the books as classics, there are plenty of movies about aliens that are spectacular — both in their genre and in film as a whole. Take, for instance, Ridley Scott's Alien. Totally creepy with incredible pacing and beautifully shot, this frightening sci-fi masterpiece still scares the bejeezus out of me. Thirty-two years later, it also stands the test of time. Keep on reading to see what other films made it onto my list.