NASA’s Mars Curiosity rover can’t find any sign of methane on the red planet, but the agency emphasized that methane would be only one indicator of possible life. There could be others. “It reduces the probability of current methane-producing Martian microbes, but this addresses only one type of microbial metabolism,” stated Michael Meyer, NASA’s lead scientist … Continue reading "Curiosity Rover Finds No Methane On Mars. What’s Happening?"