The quest for life beyond Earth generally revolves around the presence of water, which makes the recent discovery of abundant water just under the surface of Mars so tantalizing, according to NASA scientists. But the latest theory to emerge from pictures taken by the Mars Odyssey satellite orbiting the Red Planet is even more astounding: NASA researchers now believe there is a possibility that snow may have fallen on the surface in the geologically recent past.
Did white stuff once fall on Red Planet? The Knoxville News Sentinel
Red Planet will show its face in a long, cosmic close-up The Knoxville News Sentinel
Mars, the Red Planet, will be making its closest approach to Earth in at least 50,000 years this summer. It will dazzle naked-eye stargazers with a reddish light as bright as giant Jupiter and reveal elusive surface details to observers with access to even modest telescopes.