The science fiction genre can sometimes be difficult to define, as it includes a wide range of subgenres and themes. From futuristic science and technology to space travel to parallel universes, there’s no shortage of storytelling possibilities, but let’s be real – the best sci-fi films are the ones that focus on extraterrestrial life.
Not all alien sci-fi movies are great. In fact, some are downright terrible, but whether they’re good or bad, there are plenty of them that deserve our attention for their significance in the genre. That being said, here are 10 must-watch alien sci-fi movies: