Opportunity rover discovers mystery rock on Mars

Credit: MGN Online

Opportunity rover discovers mystery rock on Mars

January 24, 2014 Updated Jan 24, 2014 at 12:03 PM CDT

Ten years after NASA's Opportunity rover landed on Mars for the first time, a mysterious rock, that looks like a white jelly doughnut, suddenly appears in its radar.

Find out more about this story, and see the footage from Mars by watching the video below.