Curiosity rover finds 'tantalizing' signs of ancient Mars life

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There are three possible explanations for the new find, and one involves ancient Mars microbes.

NASA's Curiosity Mars rover used two different cameras to create this selfie in front of a rock outcrop named Mont Mercou, which stands 20 feet tall.

NASA's Curiosity rover has found some interesting organic compounds on the Red Planet that could be signs of ancient Mars life, but it will take a lot more work to test that hypothesis. Some of the powdered rock samples that Curiosity has collected over the years contain organics rich in a type…

 

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