NASA’s Opportunity rover was designed for a 90-day mission, but it ended up exploring Mars for 15 years. During that time it traveled more than 42 kilometers, discovering evidence that Mars once had ...

NASA's Opportunity Mars rover was built to operate for just 90 days, but kept going for 15 years. NASA officially declared it dead on Wednesday, and its last message to scientists before it went dark ...

NASA's Opportunity rover on Mars did not return a call from Earth yesterday (June 12) while enduring a massive dust storm that scientists have called "one of the most intense ever observed." "The ...

During 14 years of intrepid exploration across Mars it advanced human knowledge by confirming that water once flowed on the red planet -- but NASA's Opportunity rover has analyzed its last soil sample ...

The golf cart-size rover was designed to last only three months, but proved itself to be an unexpected endurance athlete. It traveled more than the distance of a marathon when less than half a mile ...