Old Mars rover finds more proof of possible life
Updated 2 hours ago
With data from a camera and spectrometer on the rover's robotic arm, researchers found that the rock, dubbed "Esperance," is a relic of a wetter time on Mars when life may have been possible. [Ancient Mars Could Have Supported Life (Photos ...http://science.nbcnews.com/_news/2013/05/23/18451243-old-mars-rover-finds-more-p...






