Opportunity may be the Mars roving champion, but even champions have their limits.
NASA's Opportunity Mars rover is tackling some of the toughest terrain the robot has encountered in its twelve years on the Red Planet.
As if Mars' thin, frigid, dry air wasn't harsh enough, now scientists have found new evidence of acid fog altering the rocks near the Spirit Rover.
It could be that the plucky rovers we've sent to explore the Red Planet have brought with them unwelcome, hitchhiking bacteria.
After three Earth years on Mars, the Curiosity rover has found extensive evidence of past liquid water in Gale Crater. Check out some of the highlights.
NASA's Mars rover Curiosity has now been trundling across the Red Planet for three very productive and eventful years.
Scientists are meeting this week to discuss landing sites for NASA’s next Mars rover, that will look for past life and stash rocky samples for Earth-return. These are some of the landing sites under consideration.
Mars rover Opportunity has recommenced driving duties and continues to explore the red planet despite a series of recent setbacks focusing on its aging memory.
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