Two years ago, the Mars Exploration Rover, Spirit, touched down in Gusev Crater. The rover marked its first Mars-year (687 Earth Days) anniversary in November 2005. Shortly before its martian ...

The rover, formally described as Spirit, MER, Mars Exploration Rover, kept working on Mars for years, long after its initial warranty had expired. That longevity forced the team to rethink what a ...

Spirit rover landed on Mars in 2004 for what was supposed to be a 90-day mission. Instead, it survived more than six years, ...

As space agencies race to set foot on the Moon, Mars, and elsewhere, a not-so-glamorous problem could be the key to success: the functionality of a rover’s wheels in alien dirt. When NASA’s Spirit ...

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 ...

It was a “big deal” for NASA when two so-called Rovers landed safely on Mars. “Spirit” was supposed to be good for just three months and a few hundred yards, but it lasted for 6 years and traveled ...

NASA’s Mars Exploration Rover Spirit used its panoramic camera to take the images combined into this mosaic view of the rover. The downward-looking view omits the mast on which the camera is mounted.

A new video released by NASA/JPL documents six years of Curiosity rover's wheels while driving on Mars.