The car-size Curiosity rover could help answer the big question: Was Mars ever habitable?
Ready to Rove: Curiosity Project Scientist Lays Out Mars Tour Plans
After engineers run a months-long setup of the Mars Science Laboratory, now parked in a crater, scientists will take the rover on a nearly two-year journey that includes a visit to a six-kilometer-high mountain
Curiosity Gears Up to Zap Rocks in Huge Crater at Red Planet
NASA's Curiosity Rover Lands Safely on Mars
The elaborate landing of the $2.5-billion mission went off without apparent incident
The Countdown, Episode 1: Earliest Spiral Galaxy, Earth as Art, the Pioneer Anomaly, a Rocket-Loving Gopher, 7 Minutes of Terror
Skiing To Mars: The Original Rovers
Mars Rover Prepares for 7 Minutes of Terror
The Curiosity rover is set to begin exploring Mars on August 6. But first it has to land. John Matson reports
From Space to Soil in 7 Minutes [Slide Show]
NASA's Planetary Science Program Endangered by Budget Cuts
Planetary science is NASA's most successful and inspirational program. It should not be gutted
Curiosity Rover Zeroes In on Traces of Past Habitats on Mars
At 10:31 P.M. Pacific time on August 5, NASA's Curiosity rover will begin the first direct search for habitable environments on Mars
NASA Scientists Fight Budget Cuts with "Bake Sale"
The sale is a protest of plans in President Obama's 2013 budget request to cut 21 percent from NASA's planetary science budget, and 38 percent from its Mars projects
Mars Attacked: Planetary Scientists Vent Frustrations over Proposed Budget Cuts
Curiosity's Storybook Wishes For Mars