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.
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.
20 February 2013, 05:11 PM ET
The rover drilled into rock on the Martian surface on February 8th and 20th, 2013. Samples were also transferred back to the rover for analysis. The drill was demonstrated by NASA using Curiosity's twin here on Earth.
20 February 2013, 04:20 PM ET
See photos of NASA's Mars rover Curiosity's first drilling success.
20 February 2013, 04:06 PM ET
NASA's Mars rover made a giant leap for space exploration when it drilled its first sample of Red Planet rock.
20 February 2013, 12:59 PM ET
The press conference starts at 3 p.m. EST and may discuss Curiosity's drilling work on Mars.
13 February 2013, 03:00 PM ET
The president's annual address rarely mentions NASA, spaceflight or exploration.
12 February 2013, 01:18 PM ET
A strange and shiny object on Mars photographed by NASA's Curiosity rover is just an odd-looking rock, scientists say.
11 February 2013, 06:20 PM ET
The Iranian-American Bobak Ferdowsi will help highlight President Barack Obama's call for more visas for skilled immigrants in the fields of math, science and engineering.
09 February 2013, 01:06 PM ET
The Mars rover Curiosity drilled into the rock "John Klein' to collect the Martian sample.
07 February 2013, 06:14 PM ET
Curiosity drilled about 0.8 inches (2 centimeters) into a Martian rock called John Klein.
04 February 2013, 01:11 PM ET
The robot pounded the rock with its arm-mounted drill but has apparently not spun the drill bit yet.
30 January 2013, 08:00 AM ET
The robot has been sizing up a target rock and flexing its robotic arm.
29 January 2013, 01:04 PM ET
See amazing shots of Mars sent back by NASA's Curiosity Rover.
25 January 2013, 11:12 AM ET
The photos show Mars at night in visible and ultraviolet light.
24 January 2013, 07:24 AM ET
The nuclear-powered mobile science laboratory Curiosity will roll across the surface of Mars for years, searching for the conditions that may have once made Mars an abode of life.
24 January 2013, 07:00 AM ET
Opportunity's surface mission was originally supposed to last three months.
23 January 2013, 07:00 AM ET
"The Changing Face of Mars" will premiere tonight at Caltech in Pasadena.
18 January 2013, 12:15 PM ET
NASA to roll out full-size space vehicle replicas, a 'Star Party' and 'Mohawk Guy.'