NASA's Mars rover Curiosity has used the drill on its robotic arm to collect a powdered sample from the interior of a rock called "Cumberland." >>

NASA's senior Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water. >>

NASA's Mars rover Opportunity now holds the record for farthest driving by a NASA vehicle on a world away from Earth, passing a mark set by an Apollo astronaut-driven rover. >>

Scientists using images from NASA's Mars Reconnaissance Orbiter have estimated that the planet is bombarded by more than 200 small asteroids or bits of comets per year forming craters at least 12.8 feet (3.9 meters) across. >>

NASA rover team selects next drilling target on Mars >>

Two prominent aerospace industry organizations are recognizing the contributions of NASA, especially the achievements of the team that landed NASA's Curiosity rover on Mars in August, with coveted awards. >>

Curiosity prepares for a second drilling and a tutorial on the complicated choreography to get the drill sample to her instruments. >>

Curiosity gets new software and new capabilities for the long trek to Mt. Sharp. >>

NASA's Curiosity finds that the Red Planet doesn't have the same atmosphere it used to. >>

Bobak Ferdowsi, Curiosity flight director, shares a special message with students on building robots. >>

When you navigate with a compass you can orient yourself thanks to Earth's global magnetic field. But on Mars, if you were to walk around with a compass it would haphazardly point from one anomaly to another, because the Red Planet does not possess a global magnetosphere. >>

Curiosity's analyzed rock sample proves ancient Mars could have supported living microbes. >>

Curiosity is on Mars!Follow Curiosity on her journey at Explore Mars: Curiosity's Journey >>

View the simulated views and computer generated images of where Mars Reconnaissance Orbiter is now. >>

View the simulated views and computer generated images of where Mars Odyssey is now. >>

Opportunity has now reached its three-year-long target, Endeavour crater, where it will spend time studying rocks never seen before. After a successful six-year mission, Spirit's mission has officially concluded. ������Send a tribute on Spirit���s mission at:http://beamartian.jpl.nasa.gov/spiritpostcards.

Tune in with Mars on the go.Download the Be A Martian App, on your Android, iPhone, Windows Phone and Tablets! >>

Follow Curiosity's drive and read about the latest updates on Curiosity's Journey on Mars!Start Now >>

Be part of exploration and discovery, and personally contribute to the expansion of human knowledge for all of us now, and as a legacy for those who follow. >>

Download the Mars Calendar for the years 2013 - 2014 >>

Want to drive a rover on the surface of Mars? Play this interactive! >>

Or, how big is the Mars Science Laboratory rover? Ask Dr. C, your personal Mars expert! >>