Add Yahoo as a preferred source to see more of our stories on Google. On Sept. 27, 1997, NASA's Mars Pathfinder mission beamed its very last data transmission back to Earth.The Mars Pathfinder mission ...

On July 4, 1997, NASA's Mars Pathfinder mission arrived on Mars and began transmitting images from the surface of the Red Planet. The rover, named Sojourner, was the first rover to successfully land ...

(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 ...