16 December 2014, 02:08 PM ET
The Mars Science Laboratory's Tunable Laser Spectrometer (TLS) instrument was used to confirm the presence of methane on several occasions during the rovers' study of the Red Planet.
11 December 2014, 02:01 PM ET
The presence of liquid water is just one of many factors that researchers need to take into account when investigating the past or present habitability of Mars or any other cosmic body, researcher Pamela Conrad says.
11 December 2014, 07:30 AM ET
The image shows a geological phenomenon known as "cross-bedding" within Whale Rock, part of an outcrop at the base of Mount Sharp, a mountain that rises 3.4 miles into the sky from the center of Mars' huge Gale Crater.
08 December 2014, 02:11 PM ET
Data from NASA's Curiosity rover indicates that lake bottom sediment formed the lower layers of Mount Sharp over approximately 1 million years.
21 November 2014, 02:05 PM ET
I know what you’re thinking: this is not a normal day-in-the-life of a mineralogy graduate student. And you’re right about that! I never dreamed that my love of rocks, crystals, and the atomic scale would lead me to be part of a NASA mission.
20 November 2014, 07:00 AM ET
Curiosity continues to investigate an outcrop at the foot of Mount Sharp dubbed Pahrump Hills, which the robot reached in September after a 14-month trek.
06 November 2014, 03:00 PM ET
The first samples collected by NASA's Mars rover Curiosity at the foot of a huge Martian mountain have provided some vital ground-truthing of data gathered from orbit.
18 October 2014, 09:11 PM ET
NASA scientist Dr. Michelle L Thaller tells Space.com's @MiriKramer what you need to know about comet Siding Spring's fly-by, its implications for the Red Planet and how humans will be able to observe it. Full Coverage: http://goo.gl/0cnCEb
18 October 2014, 07:01 AM ET
Comet Siding Spring — unknown and undiscovered until 2013 — will zoom past the Red Planet Sunday afternoon (Oct. 19) in an encounter that could help scientists better understand how the solar system came to be.
15 October 2014, 07:50 AM ET
An excerpt from Marc Kaufman's "Mars Up Close: Inside the Curiosity Mission," which was published in August 2014 by National Geographic.
14 October 2014, 05:49 PM ET
At first glance you'd be forgiven for thinking NASA's Mars rover Curiosity had stumbled across a wind-rippled lake or sea at the base of Mount Sharp.
10 October 2014, 11:45 AM ET
An excerpt from Marc Kaufman's 'Mars Up Close: Inside the Curiosity Mission,' which was published in August 2014 by National Geographic.
08 October 2014, 10:50 AM ET
A California energy company is using laser technology originally developed to search for methane on Mars to pinpoint natural gas leaks here on Earth.
26 September 2014, 09:27 AM ET
On September 24th, 2014, the Mars Science Laboratory drilled into a basal-layer outcrop on Mount Sharp and collected samples. The rover has traveled 6 miles to get to the mountain since landing in 2012.
26 September 2014, 07:00 AM ET
On Wednesday (Sept. 24), the 1-ton Curiosity rover drilled 2.6 inches (6.7 centimeters) into an outcrop at the base of the towering Mount Sharp, which rises 3.4 miles (5.5 kilometers) into the Martian sky.
22 September 2014, 11:04 AM ET
During the atmospheric entry and landing phases of the Curiosity mission, hundreds of kilograms of mass was ejected. NASA is looking to change that 'dead weight' into scientific gain for future missions.
12 September 2014, 05:48 PM ET
NASA is staunchly defending the science plans for its flagship Mars rover Curiosity in the wake of a recent senior-level review that at times harshly criticized the mission's science operations.
12 September 2014, 08:33 AM ET
The Mars Science Laboratory has driven nearly 5 miles on the surface of the Red Planet and is ready to start the next phase of its mission. Curiosity mission scientist Katie Stack reports.
10 September 2014, 06:45 AM ET
An excerpt from "Curiosity," Rod Pyle's new book about NASA's $2.5 billion Mars Science Laboratory mission.
26 August 2014, 05:45 PM ET
Mission team members had been considering drilling a rock dubbed "Bonanza King" but scrapped the idea after pre-drilling activities suggested that the stone is not stable enough. Curiosity has instead resumed the long drive to the towering Mount Sharp.
23 August 2014, 09:28 AM ET
A photo from NASA's Curiosity rover on Mars set the Internet abuzz this week with claims that the robot had found a "thigh bone" on the Red Planet. But not so fast. That so-called bone? Just a weathered Martian rock, NASA officials say.
18 August 2014, 03:38 PM ET
The 1-ton Curiosity rover had been heading for Mount Sharp via Hidden Valley, a sandy swale that's about the length of a football field. But Curiosity turned back shortly after entering the valley, finding the sand surprisingly slippery.
05 August 2014, 01:01 AM ET
Curiosity, which landed inside Mars' huge Gale Crater on Aug. 5, 2012, is just 1,650 feet from an outcrop that’s part of Mount Sharp, the 3.4-mile-high mountain that’s drawing Curiosity like a big, dusty beacon in the Red Planet sky.
04 August 2014, 07:00 AM ET
NASA's Mars rover Curiosity marks two years on Mars Tuesday (Aug. 5). The rover's first two years have been full of big finds, and researchers are eager to see what Curiosity finds when it scales the foothills of the towering Mount Sharp.
31 July 2014, 02:41 PM ET
See photos and images of NASA's next Mars rover, a 1-ton robot launching toward the Red Planet in 2020.
31 July 2014, 07:35 AM ET
NASA's Mars Atmosphere and Volatile EvolutioN mission (MAVEN) is closing in on the Red Planet. At the same time, an interloper, comet Siding Spring, is also approaching.
30 July 2014, 07:29 PM ET
Space agency officials will reveal the science gear they've chosen for the rover, which will launch toward the Red Planet in 2020, on Thursday at 12 p.m. EDT. You can watch the announcement live here at Space.com, courtesy of NASA TV.
25 July 2014, 11:27 AM ET
Curiosity has just crossed out of its landing ellipse, the 12- by 4-mile(19 by 7 kilometers) zone targeted for its August 2012 touchdown and is now moving toward an increasingly challenging landscape called the Zabriskie Plateau.
17 July 2014, 06:50 AM ET
On July 12, for the first time ever, Curiosity photographed sparks flying from a rock blasted by the 1-ton robot's laser-sampling instrument, known as ChemCam. You can watch a video of the laser flashes here.
16 July 2014, 05:00 PM ET
The Mars Science Laboratory's ChemCam instrument fires its laser at rocks to analyze its composition and clear away dust. A recent firing produced sparks when hitting a rock.
15 July 2014, 07:09 PM ET
Talk about a speed bump. NASA's Mars rover Curiosity has discovered its first meteorite on the Red Planet, and it's no puny space rock. See the Martian meteorite photos here.
12 July 2014, 08:01 AM ET
The 1-ton Curiosity rover has now cruised out of its landing ellipse, the area — about 4 miles wide by 12 miles long (7 by 20 kilometers) — regarded as safe ground for its August 2012 touchdown within Mars' huge Gale Crater, NASA officials said.
09 July 2014, 07:32 AM ET
If there were mechanics on Mars, NASA may have taken the Curiosity rover into the shop by now. The 1-ton robot has accumulated quite a bit of wheel damage since touching down inside Gale Crater in August 2012.
24 June 2014, 07:30 AM ET
Curiosity wraps up its 687th day on Mars today (June 24), NASA officials said, meaning the 1-ton robot has completed one lap around the sun on the Red Planet.
23 June 2014, 02:46 PM ET
The Mars Science Laboratory has completed one Martian year (687 Earth days) working on the Red Planet. Its recent work, latest-self portrait and wheel damage work-arounds are discussed.
11 June 2014, 12:53 PM ET
NASA's Mars rover Curiosity has photographed Mercury crossing the face of the sun, marking the first time such a planetary "transit" has ever been imaged from the surface of a planet other than Earth.