Significant Runoff on Early Mars Identified in River Channels
Significant Runoff on Early Mars Identified in River Channels By National Air
and Space Museum Geologists
http://www.spaceref.com/news/viewpr.html?pid=16928
"Geologists at the Smithsonian National Air and Space Museum's Center for Earth
and Planetary Studies, working with colleagues at the University of Virginia, have discovered 21 river channels in the dry Martian valleys, which provide new clues to this ancient climate."