On Mars, as on Earth, sometimes things can take on an unusual appearance. >>

NASA's Curiosity rover has, for the first time, used a drill carried at the end of its robotic arm to bore into a flat, veiny rock on Mars and collect a sample from its interior. >>

NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft is assembled and is undergoing environmental testing at Lockheed Martin Space Systems facilities, near Denver, Colo. >>

Using NASA���s newest rover Curiosity, learn how to use NASA astrobiology and the exploration of Mars to enhance life science and physical science topics in your classroom. Register by Feb. 26. >>

NASA's Mars rover Curiosity has produced some rock powder with its drill as the last major test before the rover's first full drilling. >>

NASA's Mars rover Curiosity used the hammering action of its drill on Feb. 2 as the second-to-last major test before the first full drilling to collect a sample of rock dust. >>

NASA's Curiosity rover finds calcium deposits on Mars similar to those seen on Earth when water circulates in cracks and rock fractures. >>

NASA's Curiosity rover dusts off a rock on Mars for the first time. >>

New Year's Eve revelers watching giant screens in New York's Times Square saw a special Happy New Year greeting from Mars, currently 206 million miles away. >>

Curiosity will spend the holidays at a location on Mars dubbed "Grandma's House." >>

Where���s the driver���s seat for a Mars rover? Millions of miles away, back on Earth! Learn more in this 60-second video. >>

This animation shows how the Mars Hand Lens Imager (MAHLI) camera at the end of the arm of NASA's Mars rover Curiosity was positioned for taking multiple images that were later combined into a self-portrait of the rover. The animation was made using software that rover planners use to design Curiosity's movements. >>

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.

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Tune in with Mars on the go.Download the Be A Martian App, on your smart phones! >>

See the latest mission images of our spacecraft and those returned from the Red Planet and get the latest updates on Curiosity's Journey! NASA Be A Martian >>

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

Explore the different instruments that make up the Curiosity rover. See how each will assist to uncover new information as Curiosity heads to Mount Sharp. >>

Participate >>

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