New Massive Ice Deposits Found on Mars
Ice, ice, maybe. Scientists studying Mars Reconnaissance Orbiter data have spotted 330-foot-thick sheets of ice just below the planet’s surface. The glaciers, exposed by natural erosion on hillsides, provide a glimpse into Martian history: Layers in the ice suggest they may have been formed by snowfall as recently as tens of millions of years ago. Geologists don’t know how pure the ice is, but it appears to be relatively clean — which could be important for future Mars missions that require water to create both oxygen and rocket fuel.