The dark shadows of Mars

NASA's Mars Exploration Rover Opportunity recently used a low sun angle to snap a memorable view of a large Martian crater.

Opportunity finds Martian rock with possible signs of water

NASA's Mars rover Opportunity - recently arrived at the Endeavour crater - has found a rock that's different from anything it's seen before.

Mars exploration rover reaches Endeavour crater

NASA’s Mars exploration rover has arrived at the Red Planet’s Endeavour crater which measures some 14 miles (22 kilometers) in diameter.