Opportunity and Spirit Mars Rovers

The 10 most groundbreaking science missions NASA's ever sent to space.

Loose soil piled against a low plateau has blocked NASA’s Mars Exploration Rover Spirit from taking the shortest route to its summer destinations.

The Mars rover Spirit more power under its hood thanks to some Martian winds.

New theory proposes ice fields responsible for sulfate deposits of Meridiani Planum.

Mounds found on Mars resemble Earth hot springs, but case isn't closed yet.

The rover is back in operation.

NASA and Google launched Google Mars 3D for users to explore Mars via computer.

NASA's Mars rover Spirit is displaying odd behavior that puzzled engineers.

NASA's twin rovers Spirit and Opportunity have finished their fifth year on Mars.

Phoenix, MRO, and rovers studied Mars' surface looking for signs of water and potential habitability.

The legacy of NASA's historic Apollo 8 mission reaches out toward Mars.

MSL rover's delay could impact other programs, is symptom of NASA budget overruns.

NASA reduces list of potential landing sites for Mars Science Laboratory to four spots.

Spirit Mars rover may be facing near-death.

Despite its early demise, Phoenix Mars Lander gathered trove of new data.

Mission controllers lose contact with Phoenix Mars Lander, science operations over.

Phoenix lander still communicating with Earth but power decreasing each day.

Images give scientists more information on unusual sand features on Mars.

A new television documentary chronicles the stunning success of NASA's twin Mars rover.

Poor weather, dwindling power at Phoenix landing site forces spacecraft into safe mode.