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Twenty years after the last mission to Mars failed to detectany signs of life,living or extinct,Nasa is preparing another se-ries of missions to the Red Planet to once again try and find evi-dence of life.
Twenty years after the last mission to Mars failed to detectany signs of life, living or extinct, Nasa is preparing another se ries of missions to the Red Planet to once again try and find evi-dence of life.