NASA's twin Mars rovers, Spirit and Opportunity, vastly exceeded their 90-day mission designs, operating for 6 and 15 years respectively, and fundamentally changing Mars science. They provided ...

Artist's illustration of a six-wheeled rover on the surface of Mars, with a rock-studded reddish landscape in the background. Twenty years ago this month, twin spacecraft made dramatic planetary ...

PASADENA, Calif.–When it comes to longevity, the Spirit and Opportunity rovers on Mars are giving some real competition to the pink bunny from those battery advertisements. The two rovers in a couple ...

Mars exploration rover mission -- Mission impossible -- The making of the Mars rovers -- Are we really on Mars? -- Hitting the dusty trail -- Can Opportunity climb down? -- Can Spirit climb up? -- The ...

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Opportunity and Spirit launched in 2003 and landed on Mars in 2004, searching for signs of ancient life. Opportunity found hematite at its landing site: little round things all over the ground that ...

PASADENA, Calif. -- NASA's Opportunity robotic rover bounded onto the surface of Mars late Saturday, confirming its safe arrival with a series of signals to anxious flight controllers on Earth.

PASADENA, Calif.- Scientists and engineers gathered Tuesday at NASA's Jet Propulsion Laboratory to remember the legacy of the hard-luck rover Spirit that came through in the end with geologic evidence ...