We may receive a commission on purchases made from links. Are we alone in the universe? It's a huge question with no easy answer. And, following on from that, if we aren't alone, what would beings ...

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Add Yahoo as a preferred source to see more of our stories on Google. Some of the greatest sci-fi movies of all time revolve around humans in a desperate struggle for survival. Sometimes we’re ...

District 9 is an alien invasion movie with a twist and something important to say. Predominantly filmed in the style of a documentary, the film sees an alien population, known as "Prawns," forced to ...