PASADENA, Calif. - The Mars rover Spirit found a mineral linked to water during its exploration of the Red Planet, NASA's Jet Propulsion Laboratory said Monday. Scientists identified the mineral goethite in bedrock studied in the West Spur area of the Columbia Hills. Spirit and its twin, Opportunity, were sent to Mars to look for geologic evidence of a watery past. Both rovers, especially Opportunity, have found such evidence in their nearly year-long treks over the martian surface, but the goethite find is particularly important, a mission scientist said in a JPL statement. "Goethite, like the jarosite that Opportunity found...
