Latest News About Mars Rovers Opportunity and Spirit
Mars Rovers Spirit and Opportunity are 6-wheeled, remotely operated explorers on the planet Mars. Learn more about Mars exploration and how the Spirit and Opportunity rovers are doing.
Both of NASA's Mars rovers experienced problems this week as they enter unknown engineering territory, operating well beyond their what the original blueprints called for.
Water was common across a vast region of ancient Mars, creating habitable conditions for long stretches of time billions of years ago, scientists said Thursday.