NASA's Spirit and Opportunity rovers were supposed to operate on the surface of Mars for just three months. But both solar-powered robots far outlived their warranties, setting travel and ...

The Spirit rover, one of NASA’s most resilient explorers, embarked on its Martian journey in 2004, tasked with uncovering the mysteries of the Red Planet. Originally intended to last just 90 days, ...

NASA’s Curiosity Rover continued its investigation of Mars with a mix of scientific observations and geological analyses. As ...

Sojourner was followed by Spirit and Opportunity, both landing on Mars in 2004. Curiosity, which is still roaming the dusty Martian terrain, landed in 2012, and finally, the latest addition to the ...

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Perseverance is NASA’s most advanced Mars rover to date, and while its general routes are decided by a team at NASA’s Jet Propulsion Laboratory in Southern California, the rover actually moves ...

Before Spirit and Opportunity, scientists had no definitive proof that the network of channels visible from Mars’ orbit were formed by liquid water. The twin rovers delivered it—and set the ...

They were a type of rover called Mars Exploration Rovers, weighing it at around 400 lbs and standing 1.5 meters tall. They were designed to act as geologists, hunting down clues to the history of ...

A mad dash, by Mars rover standards. (The one-day distance record for Perseverance is 347.689 meters on sol 753.) This interplanetary navigation by rover drivers comes at an uncertain moment for ...

Spirit and Opportunity landed on Mars 20 years ago this month, kicking off a surface mission that reshaped our understanding of the Red Planet.