SpaceNASA's Curiosity rover finds fatty acids on Mars The lard-like molecules that showed up in Mars's Gale Crater are important for life, but could still be non-biological in origin News
SpaceMystery cloud-like blobs over Mars baffle astronomers In 2012, amateur astronomers spotted at least one unidentified object rising into the Martian sky. Could auroras, volcanoes or aliens be to blame? News