For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.
Stacker chose 16 pairs of films that have eerily similar plots: All pairs on this list have the same basic plot once you ...
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Could humans someday explore Saturn's moon Titan, or will humanoid robots do it for us?
Could humans ever set foot on Titan, or will AI-powered humanoid robots make the voyage instead?
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