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Home Chile’s Atacama Desert is the driest non-polar desert on Earth — and a ready analog for Mars’ rugged, arid terrain. (NASA/JPL-Caltech) Chile's Atacama Desert is the driest non-polar desert on Earth -- and a ready analog for Mars' rugged, arid terrain. (NASA/JPL-Caltech)

Chile’s Atacama Desert is the driest non-polar desert on Earth — and a ready analog for Mars’ rugged, arid terrain. (NASA/JPL-Caltech)

Chile's Atacama Desert is the driest non-polar desert on Earth -- and a ready analog for Mars' rugged, arid terrain. (NASA/JPL-Caltech)

Chile’s Atacama Desert is the driest non-polar desert on Earth — and a ready analog for Mars’ rugged, arid terrain. (NASA/JPL-Caltech)

The Chemical Laptop, a life-detecting device designed for other planets, was recently tested in Chile’s Atacama Desert. (NASA/JPL-Caltech)