On Sept. 27, 1997, NASA's Mars Pathfinder mission beamed its very last data transmission back to Earth. The Mars Pathfinder mission consisted of a base station and the very first Mars rover named ...

(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...

Death Valley days -- Tango Delta : touchdown -- A long road to a Red Planet -- Setting the stage -- The scarecrow -- Laying the foundation : Mars Pathfinder -- Curiosity's cousins : Spirit and ...