With Insidious: Out of the Further arriving this month, horror and sci-fi fans have another reason to revisit the genre. But horror and sci-fi movies have always shared a strange connection, both take us into worlds we don't fully understand, whether that means deep space, alien life or another dimension. What to watch: 7 sci-fi movies packed with terror, suspense and nightmares1. Annihilation – Amazon Prime VideoLena (Natalie Portman), a biologist, joins a team of scientists who enter the Shimmer, a strange zone that appeared after a meteorite crashed on Earth. The movie mixes science fiction with body horror and mystery, making it a good pick for anyone who enjoys stories about strange worlds and things that cannot be easily explained.