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Carbon isotopic analysis is among the most pervasive geochemical approaches because the fractionation of carbon isotopes produces a natural tracer of biological and chemical processes. Rover-based carbon isotopic analyses of sedimentary rocks on Mars have the potential to reveal modes of Martian carbon cycling. We report carbon isotopic values of the methane released during pyrolysis of samples obtained at Gale crater. The values show remarkable variation indicating different origins for the carbon evolved from different samples. Samples from multiple locations within Gale crater evolved metha...

Reports indicate that NASA's Curiosity rover has found organic molecules on the surface of Mars that have never been seen before.

NASA Mars Curiosity Rover found organic molecules from the soil sample of the Red Planet, according to a recent study.

NASA's Curiosity rover discovered benzoic acid and ammonia in dirt collected from Mars. Both of which are found to occur naturally in plants and animals, including humans.