03 December 2012, 12:00 PM ET
NASA's Curiosity rover found Martian dirt containing chlorine, water and sulfur compounds.
03 December 2012, 08:50 AM ET
The Mars Science Laboratory spent six weeks investigating an area on Mars that was dubbed 'Rocknest'. Next up - the rover will be moving on to 'Point Lake' where it will look for a good target to drill.
03 December 2012, 06:00 AM ET
The annual fall meeting of the American Geophysical Union lasts all week.
02 December 2012, 07:00 AM ET
Don't expect a historic announcement, agency officials say.
29 November 2012, 05:18 PM ET
Curiosity hasn't yet found organic compounds in the Martian soil.
29 November 2012, 03:48 PM ET
The scientists and engineers who operate Curiosity are finally adjusting back to Earth time after months of working according to Martian time. Because a day on Mars lasts about 40 minutes longer, work shifts for the MSL team were based on Mars days
28 November 2012, 11:01 AM ET
Curiosity launched on Nov. 26, 2011, and landed on Mars Aug. 5 of this year.
26 November 2012, 02:23 PM ET
Experts offer guesses about NASA's major Red Planet find.
22 November 2012, 08:00 AM ET
The six-wheeled robot will scout out possible target rocks for its first drilling activity.
21 November 2012, 06:43 PM ET
Mission scientist for the Mars Science Laboratory, Dr. John Grotzinger, talks to SPACE.com about how the instrumentation on the rover made the find that he calls "one for the history books". Results to be announced early December.
20 November 2012, 01:14 PM ET
The news is apparently big, but we won't hear any details for several weeks.
16 November 2012, 11:17 AM ET
Since arriving on the Red Planet in August, Curiosity's been analyzing its environment with an array of sensors. Pressure readings indicate the presence of dust devils, but the twisters likely haven't been dusty enough to photograph yet.
15 November 2012, 04:16 PM ET
Initial findings suggest levels comparable to those experienced on the International Space Station.
14 November 2012, 07:00 AM ET
Curiosity's SAM instrument ingested its first pinch of dirt on Nov. 9.
12 November 2012, 09:20 AM ET
The Sample Analysis at Mars (SAM) is a suite of three instruments that is studying the Martian atmosphere. Carbon Dioxide has been measured in abundance and the rover is actively searching for methane, seen from Earth and Space, telescopically.
07 November 2012, 02:42 PM ET
After operating on Mars time for three months, Curiosity's mission controllers are finally working more regular hours.
02 November 2012, 05:47 PM ET
The gas is commonly produced by life here on Earth.
02 November 2012, 02:18 PM ET
The 1-ton robot will keep sniffing the Red Planet's air.
02 November 2012, 12:25 PM ET
Like a tourist, the robot stretched out its arm to capture itself and its surroundings.
02 November 2012, 09:45 AM ET
The CheMin (Chemistry and Mineralogy) instrument aboard the Mars Science Laboratory has delivered its first results on the make up of the Martian soil it sampled.
01 November 2012, 12:02 PM ET
The press conference will provide an update of Curiosity's studies of the Martian atmosphere.
30 October 2012, 04:51 PM ET
Curiosity has completed the first in-depth soil analysis ever performed on another planet.
26 October 2012, 03:32 PM ET
The ChemCam aboard the rover has already done about 10,000 shots with its laser to study their chemical composition of its targets. Most recently, a small cluster of rocks (that resembles famous rock structure in England) has been fired upon 9 times.
23 October 2012, 03:10 PM ET
The rover's observations could help determine if Martian methane is biological in origin.
18 October 2012, 03:06 PM ET
NASA's Mars rover Curiosity is eating Mars soil to determine what it's made of.
18 October 2012, 09:37 AM ET
NASA's Mars rover Curiosity has excavated odd shiny particles on Mars, but they appear natural, NASA says.
11 October 2012, 02:54 PM ET
A rock being examined by Curiosity is different from previously studied Mars rocks.
10 October 2012, 04:38 PM ET
The rover had taken a few days to study a strange bright scrap on the ground nearby.
09 October 2012, 03:40 PM ET
The bright object Curiosity spotted while scooping soil over the weekend is a piece of itself, scientists say.
09 October 2012, 11:43 AM ET
NASA's Mars rover Curiosity has its first scoopful of Mars, and made an intriguing find.
09 October 2012, 09:34 AM ET
This video clip shows the first Martian material collected by the scoop on the robotic arm of NASA's Mars Curiosity rover, being vibrated inside the scoop after it was lifted from the ground on Oct. 7, 2012.
08 October 2012, 03:06 PM ET
Rover scientist Dave Blake talks about how the Curiosity Rover’s CheMin instrument works.
04 October 2012, 02:54 PM ET
NASA's Mars rover Curiosity is beaming home amazing photos of the Red Planet.
04 October 2012, 02:22 PM ET
The Mars Science Laboratory is equipped with a special robotic scoop for collecting samples of the martian soil for analysis. In this video, you can see the slow and steady tool being tested at NASA's Jet Propulsion Laboratory.
04 October 2012, 02:12 PM ET
NASA's Mars rover Curiosity is poised to begin scooping up Red Planet samples.
03 October 2012, 04:52 PM ET
Curiosity has the Mayor of Mars title pretty much sewn up.