Six-wheeling Mars rover a record-setter

Story Highlights Opportunity surpassed 1972 record for distance driving on another planetOpportunity rover is in its ninth year investigating the rim of Endeavour CraterA successful trip to Solander Point, 1.4 miles away, would establish a new world record. CAPE CANAVERAL, Fla. -- NASA's Mars Opportunity rover is America's new champion for distance driving on another planet, and the enduring robotic geologist might set a world record in the coming months. Six-wheeling around a Martian equatorial region once awash with water, the Opportunity rover this month eclipsed a U.S. distance record set by two Apollo...