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Mystery Mars Rock

Weird Rock 'Like Nothing We've Seen Before,' Mars Scientists Say | Tariq Malik | Posted 09.25.2014 | Science

A mystery rock on Mars that suddenly appeared in front of NASA's Opportunity rover may look like a tasty donut, but it is like nothing ever seen on th...

Mysterious Rock Has Mars Scientists Scratching Their Heads

The Huffington Post | Sara Gates | Posted 01.25.2014 | Science

Wait, how did that get there? Researchers are puzzled by what some are calling a "mystery" rock on Mars. Recently spotted in photos taken by the Op...