Opportunity may be the Mars roving champion, but even champions have their limits.
A correlation is found between when methane plumes appear on Mars and when the planet passes through remnants of a comet.
NASA's Opportunity Mars rover is tackling some of the toughest terrain the robot has encountered in its twelve years on the Red Planet.
It may be fighting age-related issues, but Opportunity certainly isn't done with Mars yet.
China's quiet, barely publicized landing of a rover on the moon in 2013 has reaped lots of new data about our shiny nighttime friend. DNews digs into the geological details.
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.
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