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
NASA's Mars rover Curiosity, also called the Mars Science Laboratory, is the largest rover ever sent to Mars. See how the Curiosity rover works in this SPACE.com infographic.
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.
15 February 2012, 07:00 AM ET
There's no room for multibillion-dollar exploration efforts in the current NASA budget.
14 February 2012, 07:00 AM ET
Big-ticket "flagship" missions to the Red Planet are off the table, for now.
13 February 2012, 03:09 PM ET
Money to explore new technology, but not that much for science: an overview of the Agency's annual ammunition.
10 February 2012, 07:00 AM ET
The spacecraft once again has the Red Planet in its sights.
09 February 2012, 07:02 PM ET
Funding cuts will probably force NASA to withdraw from the European-led ExoMars missions.
30 January 2012, 12:47 PM ET
The Radiation Assessment Detector (RAD) aboard the Curiosity rover is collecting data while en route to the Mars. This will give important information of the effects of radiation from events such as solar storms on spacecraft and their contents
27 January 2012, 02:09 PM ET
The two launch vehicles are apparently undamaged.
24 January 2012, 07:00 AM ET
Opportunity landed on the Red Planet eight years ago, and it's still doing science work.
11 January 2012, 11:12 PM ET
NASA's Mars Science Laboratory Curiosity is on track for an August landing.
10 January 2012, 07:00 AM ET
The Curiosity rover will perform a series of trajectory-correction burns.
03 January 2012, 11:59 AM ET
Spirit and Opportunity have made ground-breaking discoveries on the Red Planet.
21 December 2011, 05:24 PM ET
Flying in space is tough work, and these missions found out the hard way.
21 December 2011, 10:31 AM ET
A look at the most memorable events in spaceflight from 2011.
21 December 2011, 07:00 AM ET
A lot of spacecraft went up this year, and a few came crashing back down.
19 December 2011, 03:36 PM ET
Relive 11 amazing unmanned rocket launches of the year by American launch provider United Launch Alliance.