28 February 2014, 07:26 AM ET
NASA's Mars rover Curiosity has taken some dazzling new photos of the Red Planet landscape, showing in sharp detail where it's been and the long road ahead, which leads to the base of a 3.4-mile-high mountain.
21 February 2014, 07:00 AM ET
The maneuver was designed to test out a strategy for reducing wear on the robot's six metal wheels, which have accumulated dings and holes at an increasing rate over the last few months, NASA officials said.
19 February 2014, 03:45 PM ET
NASA's Mars rover Curiosity rolled past 5 kilometers on the Red Planet last week, and many people who work at the space agency's Jet Propulsion Laboratory went on a 5K run to celebrate.
18 February 2014, 04:17 PM ET
The Mars Science Laboratory recently crossed a sand dune called Dingo Gap, leaving behind a terrain full of sharp, well cemented rocks on its way past 5,000 meters traveled on the martian surface.
18 February 2014, 04:02 PM ET
NASA's Mars rover Curiosity has given scientists their best-ever look at the radiation environment astronauts would experience during a Red Planet mission.
12 February 2014, 02:21 PM ET
The Curiosity rover video, which is comprised of nine images captured by the robot's rear hazard-avoidance camera, shows the six-wheeled explorer climbing up and over a sand dune on Feb. 6.
11 February 2014, 07:54 PM ET
The Mars Science Laboratory made the 23-foot drive on Feb. 6th, 2014. The rover's rear Hazard-Avoidance Camera (rear Hazcam) captured 9 images of the drive. On the right side of the horizon is Mount Sharp. (Looped several times)
06 February 2014, 03:50 PM ET
The Mars Science Laboratory captured imagery of the brightest object in its twilight sky, Earth and its orbiting Moon. The rover's Mast Camera imaged them on January 31st, 2014, its 529th day on the Red Planet.
06 February 2014, 03:38 PM ET
NASA's Mars rover Curiosity has snapped its first photo of Earth from the surface of the Red Planet, an amazing image that also includes the moon. See the photos here.
06 February 2014, 03:14 PM ET
On Tuesday at precisely 12:55 p.m. EST (17:55 UTC), Mars rover Curiosity successfully breached the crest of the dune in “Dingo Gap.” The 1 meter-high dune stands between the rover and a smoother route to the mission’s next science target
04 February 2014, 07:00 AM ET
The 3-foot-high dune separates Curiosity from a valley that may provide a smooth route to Mount Sharp, the rover's ultimate science destination. Curiosity's handlers are studying the new photo as they map out the rover's next steps.
31 January 2014, 10:39 AM ET
The left-front wheel of NASA's Curiosity Mars rover shows dents and holes in this cool space wallpaper taken during the 469th Martian day, or sol, of the rover's work on Mars (Nov. 30, 2013).
30 January 2014, 02:30 PM ET
Curiosity's handlers are driving the 1-ton rover more cautiously now and are checking the condition of its wheels frequently. The rover team is also considering accessing a smoother, less rocky route to the foothills of Mount Sharp.
30 January 2014, 01:10 PM ET
Comet Siding Spring will approach within 86,000 miles of Mars on Oct. 19, potentially putting on a great show for NASA's Red Planet spacecraft. But the dust shed by the comet may also endanger the agency's Mars orbiters.
30 January 2014, 06:45 AM ET
Astrobiologists are developing 'intelligent' instruments that could help future robotic explorers make their own decisions about where and how to collect data on Mars and other solar system bodies.
22 January 2014, 07:28 AM ET
The 58 proposals are double the usual number submitted during such instrument competitions, NASA officials said. The agency has begun reviewing the ideas and expects to choose the final science gear for the 2020 Mars rover in the next five months.
14 January 2014, 02:35 PM ET
Mars Express — the first European Space Agency spacecraft built to investigate another planet — has been snapping color and 3D images of Mars for 10 years.
09 January 2014, 04:22 PM ET
The 1-ton Curiosity rover and its tracks are visible in a new image, which was taken by the High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter on Dec. 11, 2013 and just released today (Jan. 9).
31 December 2013, 09:16 AM ET
From a new rover on the moon, to the most powerful digital camera ever built, space will be buzzing with human activities in 2014.
20 December 2013, 02:55 PM ET
Engineers are gearing up to perform a check of the Mars rover Curiosity's six wheels, which have accumulated a lot of wear and tear during the robot's 16 months on the Red Planet. Future routes may seek out relatively smooth ground to reduce wheel wear.
09 December 2013, 12:49 PM ET
The Mars Science Laboratory radiation detector, in operation for over a year on the Red Planet, is showing levels that are manageable for human exploration but the planet has not been hit with any big solar storms during this time.
09 December 2013, 12:01 PM ET
A mission consisting of a 180-day cruise to Mars, a 500-day stay on the Red Planet and a 180-day return flight to Earth would expose astronauts to a cumulative radiation dose of about 1.01 sieverts, Curiosity's measurements suggest.
09 December 2013, 12:01 PM ET
NASA's Curiosity rover has found evidence of an ancient Martian lake that could have supported life for perhaps millions of years. This lake likely existed 3.7 billion years ago, suggesting that Mars was habitable more recently than thought.
09 December 2013, 11:46 AM ET
NASA's Mars rover, Curiosity, discovered that the Gale Crater once harbored an ancient lake theoretically capable of hosting microbes.
06 December 2013, 06:12 AM ET
NASA's Mars rover Curiosity has passed another scientific milestone in its quest to determine the makeup of Mars. The six-wheeled robot fired its 100,000th rock-zapping laser beam on the Red Planet, NASA announced today (Dec. 5).
26 November 2013, 07:46 AM ET
The 1-ton Curiosity rover resumed science operations on Saturday (Nov. 23), six days after mission engineers noticed an odd voltage change and stood the robot down to investigate.
21 November 2013, 07:12 PM ET
NASA's Mars rover Curiosity has stopped gathering data for a few days while engineers investigate an electrical problem that cropped up on Sunday. The suspected culprit is a "soft short," a sort of electrical leak through partially conductive material.
19 November 2013, 02:21 PM ET
NASA's Mars rover Curiosity is headed for a cluster of strange buttes that have been newly named in honor of Bruce Murray, a pioneer of planetary geology, who died earlier this year.
14 November 2013, 12:14 PM ET
The path the Mars Science Laboratory has taken, started in the plains of the Gale crater and ultimately will makes its way through rough roads on the way to a Mount Sharp climb. Curiosity project scientist John Grotzinger explains.
12 November 2013, 06:34 PM ET
The car-size Curiosity rover went into safe mode Thursday, a few hours after receiving a software update from its handlers on Earth. But mission engineers identified and fixed the problem, allowing Curiosity to resume normal operations on Sunday.
11 November 2013, 05:37 PM ET
Curiosity rebooted its software on Thursday, shortly after its handlers had uploaded new flight software to the 1-ton rover. It was the first time Curiosity had experienced such a fault-related reboot since landing on Mars in August 2012.
30 October 2013, 02:46 PM ET
On Monday, Curiosity took some scouting photos of an outcrop called "Cooperstown" from about 262 feet (80 meters) away. Researchers plan to investigate Cooperstown soon, putting the rover's arm-mounted science gear to use for the first time since Sept. 22
24 October 2013, 08:00 AM ET
A prototype of Europe's planned ExoMars rover, dubbed Bridget by its control team, spent several days working in Chile as part of the Sample Field Acquisition Experiment with a Rover (SAFER) trial between Oct. 7 and 13.
19 October 2013, 10:12 AM ET
Some pieces of rock that fell to Earth from space are indeed from Mars, new measurements reveal.
17 October 2013, 11:10 AM ET
Planetary scientist Jim Bell recently shared nearly 10 years' worth of photos from NASA's Spirit, Opportunity and Curiosity rovers, which have shed a great deal of light on the Red Planet's wetter and warmer past.
15 October 2013, 11:49 AM ET
A penny on Mars has grown rich with red dust while riding on a NASA rover. NASA officials recently revealed that the red cent is now covered in Mars dust, despite being mounted vertically on the space agency's Curiosity rover for the past 14 months.