Science fiction can often function as a fascinating hypothetical look at the extreme possibilities of technology.

Spoiler Alert!The endings of each film on this list will be discussed in detail.

They explore further and discover that the planet is ruled by apes, taking humans as their slaves.

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This striking image would go on to become one of the most iconic in sci-fi movie history.

Artificial Intelligence (2001)

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David then embarks on a journey to find his place in the world.

Goerge Taylor in a beach looking at something in the distance in Planet of the Apes.

Image via 20th Century Studios

Only somewhat certain the creature has been destroyed, neither of them knows if the other can be trusted.

Was this a result of Vos losing touch with reality, or an act of her subconscious?

The movie’s refusal to answer that question makes the climax all the more disturbing and thought-provoking.

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At the airport, he is spotted drawing his gun by police and shot dead.

NEXT:Best Tear-Jerking Sci-Fi Films

Brazil

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RJ MacReady (Kurt Russell) at the end of ‘The Thing’

Image via Universal Pictures

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A man pointing at the screen and looking terrified in Invasion of the Body Snatchers

Image via Allied Artist Pictures

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Two women have a conversation across a sleek table in a dark room

Image via Elevation Pictures

Twelve-Monkeys

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