A robotic rover on Mars has radioed to Earth strong evidence that some rocks near the Red Planet's equator formed from sediments in a shallow, ancient ocean. In announcing the finding, scientists have identified a promising site at which to look for remains of life.
"If you have any interest in searching for fossils on Mars, then this is the place you want to go," declares Ed Weiler, NASA associate administrator for space science in Washington, D.C. Lead Mars-rover scientist Steve Squyres of Cornell University and his colleagues unveiled the images, taken with the rover Opportunity, at a March 23 NASA press briefing.
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