Add Yahoo as a preferred source to see more of our stories on Google. On January 3, 2004, NASA's Spirit rover landed on Mars! Also known as Mars Exploration Rover 2, this was the first of NASA's twin ...

(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: ...

PASADENA, Calif.- Scientists and engineers gathered Tuesday at NASA's Jet Propulsion Laboratory to remember the legacy of the hard-luck rover Spirit that came through in the end with geologic evidence ...

Mars exploration rover mission -- Mission impossible -- The making of the Mars rovers -- Are we really on Mars? -- Hitting the dusty trail -- Can Opportunity climb down? -- Can Spirit climb up? -- The ...

Ever lose connection to GPS? Sometimes you're in a tunnel, sometimes your phone is acting up, and sometimes you're a robotic explorer on another planet hundreds of millions of miles away from the ...

Geologist Steve Squyres risked his career and millions of dollars to get two rovers roaming on Mars. But the mission almost didn’t make it to the launch pad. Steve and NASA engineer Jennifer Trosper ...