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]
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's Planetary Science Program Endangered by Budget Cuts
Planetary science is NASA's most successful and inspirational program. It should not be gutted
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
NASA's Mars Rover Curiosity Had Planetary Protection Slipup
The incident has become a lessons-learned example of miscommunication in assuring that planetary protection procedures are strictly adhered to
Curiosity Leaves Earth for Mars
The newest Mars rover, Curiosity, dwarfs NASA's previous rovers in size and scientific prowess. John Matson reports
Curiosity Across the Stars
Sky Crane - how to land Curiosity on the surface of Mars
The Long Hard Road to Mars
New Museum Exhibit Invites Visitors to Smell the Moon, Nuke an Asteroid or Colonize Mars
Wet Down: Warm, Wet Conditions on Ancient Mars May Have Been Confined to Subsurface
Mars has plenty of minerals that suggest a watery past, but that does not mean that the Red Planet once looked like Earth
Mapping Mars: Where Have All the Landers Gone? [Interactive]
The first man-made object to land on Mars arrived 40 years ago this month, and NASA's Curiosity rover should soon depart for the Red Planet. Here is a look at where humankind's many Mars landers have touched down, and where the planet betrays a history of all-important liquid water. Find out more in Exploring the Red Planet
Timeline of Mars Exploration, from 1960 to 2011 [Interactive]
Two Mars missions are scheduled to launch this month. How have their predecessors fared? Find out more in Exploring the Red Planet
Digging Mars: Mars Science Lab Set to Blast Off
The Mars Phoenix mission revived hopes that the Red Planet may be habitable, preparing the way for a new rover to be launched this month