Liquid Water Discovered on the Martian Equator

Sep 11, 2014

This is an unprecedented discovery, since the atmosphere is much too thin to retain liquid water for long periods of time.  In 2011, NASA’s Mars Reconnaissance Orbiter (MRO) provided images that showed dark streaks in the soil in areas near the equator. Though they faded over time, the streaks return at the warmest part of each year.  Read more...  Watch video...