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.
03 October 2012, 07:00 AM ET
The president's John Hancock is etched on a plaque affixed to the Mars rover Curiosity's deck.
01 October 2012, 07:01 AM ET
David Grinspoon plans to use the Curiosity rover's most "RAD" instrument.
01 October 2012, 07:00 AM ET
Daytime temperatures have climbed above freezing during more than half of Curiosity's days on Mars.
28 September 2012, 01:02 PM ET
Alluvial fans (river exits) are present in California, just as they are on the Red Planet. Curiosity Rover is nearing one the first target sites in the Gale crater to study where water once flowed on ancient Mars.
27 September 2012, 06:14 PM ET
NASA's Mars rover Curiosity has discovered dried-up signs of an ancient stream on the Martian surface.
27 September 2012, 04:10 PM ET
Once upon a long time ago, streams of water flowed across the landscape of Gale Crater. NASA Senior Planetary Scientist Rebecca Williams explains how sediments were moved and deposited, forming a rock outcrop seen by Curiosity today.
27 September 2012, 03:21 PM ET
Just as suspected, Gale Crater – landing site of the Mars Science Lab – was the site of fast-flowing water in the planet's distant past. Curisoity's cameras are examining a rock outcrop that is a sure sign of stream-bed.
27 September 2012, 02:22 PM ET
NASA's Curiosity rover has found proof that water once flowed on the surface at its Gale Crater landing site.
27 September 2012, 11:19 AM ET
The Mars rover Curiosity news conference webcast begins at 2 p.m. EDT (1800 GMT)
27 September 2012, 11:15 AM ET
Curiosity took a break from Martian rocks to observe Mars biggest moon in the sky.
26 September 2012, 07:00 AM ET
Vote for the weirdest thing Curiosity toted to Mars.
25 September 2012, 02:49 PM ET
NASA's next step for Mars exploration should aim to return pieces of the Red Planet to Earth, scientists say.
24 September 2012, 06:41 PM ET
The $2.5 billion robot has performed its first contact science operations.
21 September 2012, 02:07 PM ET
The Mars Science Lab team's Adam Steltzner (architect of the 7 minutes of terror landing) shares his thoughts with NASA on why it is so important for humanity to reach beyond planet Earth.
19 September 2012, 04:30 PM ET
Curiosity's pictures will help scientists nail down the orbital evolution of Mars' two tiny moons.
19 September 2012, 03:40 PM ET
The Mars Science Lab rover set it sights upward to witness Phobos transit the disk of the Sun on September 13, 2012. The Mastcam is equipped with special filters for direct Sun observation.