20 July 2012, 07:00 AM ET
Researchers aren't sure exactly how the 3-mile-high Mount Sharp formed.
19 July 2012, 11:00 AM ET
NASA's Curiosity rover is the biggest and most advanced robotic explorer ever sent to Mars.
17 July 2012, 05:53 PM ET
The orbiter is expected to make a full recovery.
17 July 2012, 02:35 PM ET
Nathalie Cabrol's trajectory to become a NASA Mars scientist was launched the moment she saw Neil Armstrong land on the Moon. She passionately counsels America to explore even in tough economic times.
17 July 2012, 07:00 AM ET
Curiosity touched down at Mars' Gale Crater on the night of Aug. 5.
16 July 2012, 05:25 PM ET
The Curiosity rover is scheduled to touch down on Mars on Aug. 5.
16 July 2012, 02:48 PM ET
NASA and Microsoft's free Kinect interactive Xbox game lets players try to land the Curiosity Rover. Watch Danielle Dallas Roosa – granddaughter of astronaut Stuart Roosa – safely execute a tricky touchdown.
16 July 2012, 01:36 PM ET
NASA has teamed up with Microsoft to make a video game about Curiosity's upcoming Mars landing.
16 July 2012, 01:30 PM ET
NASA and Microsoft have teamed up to release the first NASA Xbox 360 game "Mars Rover Landing" for Kinect.
16 July 2012, 06:50 AM ET
NASA has no big-ticket Mars missions on the docket beyond the Curiosity rover.
13 July 2012, 05:34 PM ET
Tune in on Monday to learn more about NASA's Mars rover Curiosity, which lands on Mars on Aug. 5.
12 July 2012, 06:25 PM ET
NASA's newest Mars rover is not the first spacecraft to attempt to land on the Red Planet.
09 July 2012, 02:44 PM ET
A look at previous missions that have attempted to land on Mars.
06 July 2012, 01:48 PM ET
NASA's huge rover Curiosity is one month from landing on Mars like no robot before.
06 July 2012, 07:00 AM ET
The study suggests locations and depths to search for organic life on Mars.
05 July 2012, 10:25 AM ET
The Mars Science Laboratory, currently en route to the Red Planet, may land on or near Martian sand dunes. NASA engineers are taking an identically weighted test-rover for a spin in surface conditions similar to driving on Mars.
03 July 2012, 02:38 PM ET
High-precision slip tests in hot, dry sands show that the Mars Science Lab "Curiosity" may be more sure-footed than its predecessors Spirit or Opportunity. JPL engineers trek accurate rover surrogates across the dusty desert to measure performance.
25 June 2012, 04:46 PM ET
The Curiosity rover will attempt an unprecedented landing on the night of Aug. 5.
22 June 2012, 01:06 PM ET
NASA's Curiosity rover is a 1-ton robot that will make an unprecedented Mars landing on Aug. 5, 2012. See how the risky maneuver will keep rover team members in suspense for 7 fateful minutes.
11 June 2012, 12:55 PM ET
In this space wallpaper, a computer-generated view depicts part of Mars at the boundary between darkness and daylight, with an area including Gale Crater beginning to catch morning light.
11 June 2012, 07:00 AM ET
NASA's massive Mars Science Laboratory rover will make an unprecedented Red Planet landing.
08 June 2012, 03:25 PM ET
Scientists will give a status update on the Curiosity rover and its landing plans.
08 June 2012, 07:07 AM ET
This graphic explains NASA's Mars Science Laboratory Curiosity, a large six-wheeled rover slated to launch toward Mars in 2011.
25 May 2012, 05:00 AM ET
NASA asked for help in reformulating its Mars exploration strategy. Boy did it get it.
15 May 2012, 07:00 AM ET
The "Scarecrow" test rover went out to California's Mojave Desert last week.
10 May 2012, 11:30 AM ET
Opportunity spent more than four months at its overwintering site.
03 May 2012, 07:00 AM ET
The huge Curiosity rover is slated to land on Mars Aug. 5.
02 May 2012, 07:54 PM ET
Curiosity lead scientist John Grotzinger took a group of reporters on a field trip to Death Valley.
02 May 2012, 01:41 PM ET
Death Valley is a good place to learn about the new Mars rover's mission.
01 May 2012, 04:15 PM ET
Mars missions often fail. The scientists and engineers behind NASA's Mars Science Laboratory explain the challenge of simply getting from Earth to the dusty plains of Mars.
30 April 2012, 11:22 AM ET
The chief scientist for NASA's next Mars rover is taking a handful of journalists out to California's Death Valley.
29 March 2012, 04:50 PM ET
The Curiosity rover will explore the huge mountain, which rises 3 miles above Mars' Gale Crater.
21 March 2012, 02:34 PM ET
NASA administrator Charles Bolden fielded tough questions during a hearing on Capitol Hill today.
20 March 2012, 10:00 AM ET
NASA officials hope the Curiosity rover helps convince lawmakers to fund planetary science more generously.
27 February 2012, 05:54 PM ET
NASA is starting the planning process for its scaled-back robotic Mars exploration program.
21 February 2012, 05:52 PM ET
The space agency will have to cut back on ambitious missions to Mars and other planets.