Deep, buried glaciers spotted on Mars

Buried glaciers have been spotted on Mars, in a stunning development that could provide unlimited water for the first human visitors to the red planet.It offer new hints about how much water may be accessible on the Red Planet and where it is located. Erosion has exposed eight ice sites, some as shallow as a few feet (one meter) below the surface, and going as deep as 100 meters or more, researchers said.These underground cliffs appear 'to be nearly pure ice,' say the researchers, who analyse...