Fresh from finding an unusual "zebra" rock, it has now found mysterious green spots on the particularly red rocks of the ...

Every now and then, one of the robots on Mars sends back a picture of an unusual rock it has found on its journeys. After all, that's one of the reasons we sent them there. The rover is equipped ...

Approximately 20 sols (Martian days) after driving south across Neretva Vallis from Bright Angel, the rover discovered the ...