# 10 Most Suspenseful Sci-Fi Movies Ranked > From least to most suspenseful: Cloverfield Lane, Coherence, Ex Machina, Gravity, A Quiet Place, Children of Men, Terminator 2, Jurassic Park, Alien, The Thing. - Title: 10 Most Suspenseful Sci-Fi Movies Ranked · CBR | Shortify - Summary: From least to most suspenseful: Cloverfield Lane, Coherence, Ex Machina, Gravity, A Quiet Place, Children of Men, Terminator 2, Jurassic Park, Alien, The… - Keywords: cloverfield lane, coherence, ex machina, gravity, a quiet place, children of men, terminator 2, jurassic park, alien, the thing, sci fi, suspense - Source: CBR — https://cbr.com/best-suspense-sci-fi-movies-list - Author: Amber Frost - Published: 2026-10-21T19:30:14+00:00 - Read time: 2 min - Topics: cloverfield lane, coherence, ex machina, gravity, a quiet place, children of men, terminator 2, jurassic park, alien, the thing, sci fi, suspense ## 10 Cloverfield Lane 10 Cloverfield Lane follows Michelle after a car accident where she wakes up in an underground bunker with two men claiming the surface world is uninhabitable due to an alien invasion. > 10 Cloverfield Lane wasn't supposed to be a Cloverfield movie. Instead, it was going to be titled "The Cellar". ## Coherence Coherence follows eight friends at a dinner party when Miller's Comet passes through the night sky, causing lights to go out and cellphone reception to fail. > The group quickly comes to the ridiculous conclusion that this house must be an alternate version of the house they're currently in. ## Ex Machina Ex Machina is a 2014 sci-fi film where a programmer tests a humanoid robot's emotional responses, leading to a slow-burn thriller with a shocking ending. > As the story unfolds, moviegoers see caleb fall in love with ava and ava, allegedly, falling in love with him too. ## Gravity Gravity stars Sandra Bullock and George Clooney as astronauts stranded in space after their shuttle is damaged by debris, with 90 minutes to reach the International Space Station. > Faced with the reality that the space debris is now in orbit around the earth and will spin back around to hit them again, the two astronauts have 90 minutes to figure out a solution. ## A Quiet Place A Quiet Place is a 2018 sci-fi horror film where a family lives in silence after alien creatures, blind but sound-sensitive, wipe out most of humanity. > These aliens, known as death angels, are blind but extremely sensitive to sound, so they are immediately drawn to major cities around the world. ## Children of Men Children of Men is a 2027 dystopian thriller where humanity faces extinction due to infertility, with long, uninterrupted camera shots creating intense dread. > Humanity's imminent demise causes chaos to break out around the world, with many people left seeking asylum in places that are still considered safe. ## Terminator 2 Terminator 2: Judgment Day reimagines the T-800 as a protector of John Connor, subverting expectations by making the villain a hero in a time loop. > The t-800 once again travels back in time, but this time, he isn't out to kill sarah connor. ## Jurassic Park Jurassic Park is a 1993 sci-fi adventure film where dinosaurs are brought back from extinction, creating a deadly theme park with intelligent predators. > Watching the raptors hunt is more than enough to have the audience on edge. ## Alien Alien (1979) follows the crew of the starship Nostromo as they deal with a parasitic alien lifeform that leads to the iconic chestburster scene. > The parasite seemingly dies and falls off, leading the crew to believe they're in the clear. ## The Thing The Thing (1982) features an alien that assimilates living creatures in Antarctica, creating cosmic horror with a Lovecraftian vibe. > This allows the creature to hide in plain sight and assimilate other creatures without them ever suspecting something's amiss. ## Key takeaway This list ranks the 10 most suspenseful sci-fi movies from least to most suspenseful, highlighting their unique suspense elements.