22 May 2013, 12:11 PM ET
The older cousin of Curiosity discovered a water-weathered rock hinting that Mars could have supported life in its ancient past.
20 May 2013, 04:06 PM ET
The Mars Science Laboratory has completed its second drill into the surface of the Red Planet. The drilling target was nicknamed 'Cumberland'.
20 May 2013, 03:03 PM ET
The 1-ton robot pulled samples from deep within a Martian rock for the second time ever.
20 May 2013, 07:00 AM ET
The project showcases the diversity of worlds in our solar system.
17 May 2013, 01:50 PM ET
Electric vehicles have no real competitors for the Martian market.
17 May 2013, 01:42 PM ET
The Mobile Science Lab flashes some complex moves to get rock samples from drill bit to baking chamber for chemical analysis (CHIMRA experiment).
10 May 2013, 07:00 AM ET
Mission scientists want to confirm the exciting results from the rover's first drilling operation.
08 May 2013, 07:00 AM ET
Curiosity should drill another rock within the next week or two.
06 May 2013, 03:40 PM ET
NASA's Curiosity rover should help clarify Mount Sharp's origins in the coming months.
02 May 2013, 06:00 PM ET
Curiosity's month of freedom on the Red Planet is over.
01 May 2013, 06:55 PM ET
The nine-year-old robot has resumed science operations on the Red Planet.
30 April 2013, 12:30 PM ET
Each mosaic was stitched together using at least 20 images taken by the rover itself.
29 April 2013, 07:52 PM ET
The robot's handlers have prepared commands designed to get things back to normal.
23 April 2013, 07:00 AM ET
NASA had been splitting costs with the U.S. Deparment of Energy.
15 April 2013, 10:51 AM ET
Curiosity has been busy since landing on the Red Planet last August.
12 April 2013, 01:53 PM ET
The roving Mars Science Lab's Sample Analysis at Mars (SAM) instrument tested for levels of the gas Argon in the atmosphere. Those levels indicate the Red Planet once had a more robust atmosphere, confirming what scientists previously thought.
09 April 2013, 06:30 AM ET
No commands will be sent to all four active NASA Mars explorers for the next few weeks.
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, 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.