Science fiction has been one of cinema’s favorite genres since the dawn of the medium.

When a doctor discovers the truth, he begins a frantic quest to stop the invasion.

Terrifying and groundbreaking,Alienis the ultimate space horror.

Split image showing posters for A Clockwork Orange, Back to the Future, and Blade Runner

However,Alienis also an undeniable triumph of sci-fi by focusing on humanity’s undefeated will to survive.

Like many of the best science fiction movies,Blade Runnerreceived a mixed reception upon release.

Captured by the authorities, Alex undergoes an experimental rehabilitation process, the Ludovico Technique.

backtothefuture

Image via Tri-Star Pictures

3’E.T.

His shameless optimism is on full display in his science fiction adventure,E.

A cinematic triumph in every sense of the word,E.

A couple running down a street in Invasion of the Body Snatcher (1956)

T. the Extra-Terrestrialis a joyous celebration of childhood, friendship, and humanity’s innate gift for kindness.E.

T.is a love letter to the power of feelings and an enduring testament to the magic of cinema.

2’Star Wars' (1978)

George Lucas’iconic sci-fiStar Warswas a cinematic event of epic proportions.

Arnold Schwarzenegger as The T-800 with a gun on a motorcycle in Terminator 2: Judgment Day.

Image via Tri-Star Pictures

Widely considered amongthe all-time best space operas,Star Warswas a cinematic game-changer.

NEXT:The Best Sci-Fi Movies of All Time, Ranked

Ellen Ripley holding a cat and looking at the camera in ‘Alien’ (1979)

Image via 20th Century Studios

Rick Deckard standing still and looking pensive in Blade Runner

The alien Klaatu coming out of his spaceship in The Day the Earth Stood Still.

Image via 20th Century Studios

Alex (Malcolm McDowell) and his two Droogs sit with glasses of milk staring at the camera in A Clockwork Orange.

Image via Warner Bros.

E.T in E.T the Extra-Terrestrial

Luke Skywalker looking to the distance in the desert planet of Tatooine in Star Wars: A New Hope.

Image via 20th Century Studios

An astronaut walking down a spaceship corridor in 2001: A Space Odyssey.

Image via MGM

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