Timeline of Mars Science Laboratory its journey across Mars, having traveled , since its landing in 2012; on August 1, 2013, the rover traveled over one mile: . On August 6, 2013, NASA celebrated "Curiosity" first year on Mars (August 6, 2012 to August 5, 2013) by programming the rover to perform the "Happy Birthday" song to itself. NASA also released several videos (video-1, video-2) summarizing the rover's accomplishments over the year. Primarily, the mission found evidence of "ancient environments suitable for life" on Mars. The rover drove over one-mile across the Martian terrain, transmitted more than 190 gigabits of data to Earth, including 70,000
Mars Exploration Rover "Opportunity" marked six years on Mars, respectively. On January 26, NASA announced that "Spirit" will be used as a stationary research platform after several months of unsuccessful attempts to free the rover from soft sand. NASA announced on March 24, 2010, that "Opportunity", which has an estimated remaining drive distance of 12 km to Endeavour Crater, has traveled over 20 km since the start of its mission. Each rover was designed with a mission driving distance goal of just 600 meters. One week later, they announced that "Spirit" may have gone into hibernation for the Martian winter and might not