Recent experiments in Chile could explain why NASA’s Viking landers found no evidence of microbial life on Mars in 1976, say senior researchers. The studies, conducted by Rafael Navarro-Gonzalez and a geophysical team from the National Autonomous University of Mexico (UNAM), suggest that data from Viking may have been misinterpreted and that carbon-rich organic molecules may be present on Mars after all. The renewed interest in reviewing the Viking data stems from the discovery of ...


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