Science NASA's rover mission on Mars completes 10 years

NASA's duo of rovers, Spirit and Opportunity, touched down on the Red Planet 10 years ago. Spirit broke down in 2007, but Opportunity is chugging along.

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Ten years ago today, NASA dropped the first of two rovers onto the surface of Mars, kicking off a wildly successful mission that continues to beam home data about the Red Planet and its wetter, warmer past.