January 4, 2004 the first of two Mars rovers arrived on Mars. The aim of the research mission was to study the surface in order to determine whether Mars ever water, which in our understanding is fundamental to life. The rover is on the Red Planet for nearly eight years and reached their destination. The rover is on the Red Planet for nearly eight years and has reached the destination, the crater Endeavour, in August 2011. Western extremity of the crater Endeavour. Photo released August 10, 2011. To reach the crater, the rover took nearly three years. His speed is 0.00037 miles per hour. Photo released August 9, 2011.