08 April 2013, 04:21 PM ET
The new results from NASA's Curiosity rover bolster longstanding suspicions about the Red Planet's air.
04 April 2013, 09:23 AM ET
NASA's Mars Reconnaissance Orbiter captured the unexpected views of Curiosity's huge parachute from space.
04 April 2013, 07:00 AM ET
Mars is on the other side of the sun from Earth, making communications difficult.
01 April 2013, 07:00 AM ET
Curiosity may have found traces of salty perchlorates in Rocknest, a potential hint of life's building blocks.
26 March 2013, 01:47 PM ET
Curiosity had been recovering from a memory issue since late February.
25 March 2013, 04:46 PM ET
The Caltech Space Challenge runs all week.
22 March 2013, 07:00 AM ET
NASA won't send commands to its various Mars explorers for much of April.
19 March 2013, 07:11 PM ET
Curiosity has still not resumed science operations, however.
19 March 2013, 02:01 PM ET
The Department of Energy has made its first plutonium-238 in a quarter century.
18 March 2013, 03:18 PM ET
A minor computer error has sent Curiosity back into safe mode.
18 March 2013, 03:05 PM ET
This cool space wallpaper is a mosaic of images from the Mast Camera (Mastcam) on NASA's Mars rover Curiosity, which shows Mount Sharp in a white-balanced color adjustment.
18 March 2013, 01:42 PM ET
The 3-mile-high Mount Sharp is Curiosity's ultimate destination.
18 March 2013, 10:32 AM ET
Nearly 2,000 scientists at the Lunar and Planetary Science Conference this week will reveal the latest finds on the moon, Mars and the solar system.
18 March 2013, 06:00 AM ET
Curiosity has accomplished its main mission goals, but the rover won't rest on its laurels.
15 March 2013, 03:50 PM ET
Martian rocks are critical to unlocking the secrets to the Red Planet's past.
15 March 2013, 03:20 PM ET
NASA Scientist Joel Hurowitz explains that favorable conditions for life on ancient Mars (found by Curiosity rock sample analysis) at the Gale Crater are in direct contrast with data from the Opportunity Rover about the Meridian Planum region.
15 March 2013, 11:00 AM ET
Curiosity is not yet ready to start the trek to Mount Sharp.
13 March 2013, 06:39 PM ET
The two-year mission of the one-ton rover is to find out if Mars is, or was, capable of supporting life.
13 March 2013, 12:37 PM ET
Most attempts to define it come up short, scientists say.
13 March 2013, 12:27 PM ET
Mars once had all the right conditions to support living microbes, suggests a chemical analysis by the Curiosity rover.
13 March 2013, 10:55 AM ET
At SXSW, NASA social media team tells how they made Mars Curiosity Rover a household name.
13 March 2013, 06:29 AM ET
See photos of the discovery and analysis of rock samples by NASA scientists using the Mars rover Curiosity.
13 March 2013, 06:00 AM ET
The Red Planet was habitable long, long ago, scientists say.
12 March 2013, 07:27 PM ET
NASA's Curiosity rover found oxygen, water, sulfate and other elements in a rock sample from Mars. [Full Story
12 March 2013, 07:13 PM ET
Answers to a few basic questions about the Curiosity rover's latest discovery.
12 March 2013, 01:40 PM ET
A look at the major steps forward in searching for life on Mars.
12 March 2013, 01:00 PM ET
A rock sample collected by Mars rover Curiosity revealed ancient Mars could have supported microbes.
11 March 2013, 10:41 AM ET
NASA will reveal new discoveries about Mars gleaned from Curiosity rover's first rock powder sample on Tuesday (March 12, 2013).
06 March 2013, 08:30 PM ET
The solar outburst is complicating efforts to bring Curiosity back from a computer glitch.
05 March 2013, 07:00 AM ET
The 1-ton robot is out of safe mode and may be back in action as early as this weekend.
01 March 2013, 03:32 PM ET
Engineers are trying to get Curiosity operational again after switching the rover from its primary computer to a backup.
27 February 2013, 09:49 AM ET
Since the 1960s, humans have invaded our neighboring planet Mars with swarms of spacecraft. Only half of the attempts ever succeeded.
26 February 2013, 09:58 AM ET
The Mars rover Curiosity placed the rock powder sample from a drilled Martian rock into two onboard instruments.
25 February 2013, 06:30 AM ET
Parts of the Red Planet may be exposed to flowing water seasonally.
23 February 2013, 07:00 AM ET
The Red Planet's signature color is only skin deep.
22 February 2013, 01:35 PM ET
For the first time on Mars, a rover has collected a rock sample using a drill. Curiosity's drill captured about 1 table spoon of Martian rock.