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.
28 February 2014, 01:00 AM ET
The discovery of tiny balls and tunnels inside a Martian meteorite has rekindled the debate over whether the Red Planet was teeming with primitive life millions of years ago.
27 February 2014, 02:51 PM ET
This panoramic image is the first photograph taken of Mars by Voyager 1's Camera 1 in 1976.
27 February 2014, 01:48 PM ET
Space tourist Dennis Tito's daring proposal to send a married couple on a 501-day space flight around the planet Mars and back.
26 February 2014, 12:01 PM ET
Starting today (Feb. 26), anybody with an Internet connection and a few dollars to spare can give a moniker to one of the Red Planet's 500,000 or so unnamed craters, as part of a mapping project run by the space-funding company Uwingu.
25 February 2014, 07:58 PM ET
A team of scientists says that microscopic tunnels and carbon-rich spherules that stud the interior of a Martian meteorite known as Yamato 000593 may have been formed by Red Planet organisms long ago, NBC News reported today (Feb. 25).
25 February 2014, 10:57 AM ET
Mars Reconnaissance Orbiter (MRO) spacecraft has sent over 200 terabits of data back to Earth. See what it photographed when it passed the 200 terabit mark.
22 February 2014, 02:56 AM ET
Will telemedicine work on Mars?
21 February 2014, 07:20 AM ET
Early on Saturday morning (Feb. 22), if skies are clear, you’ll have an opportunity to catch sight of the last quarter moon pairing off the ringed wonder of the solar system, Saturn.
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.
20 February 2014, 01:48 PM ET
Mars' upper atmosphere is swarming with atoms, ions and molecules actively exiting the planet's sphere of influence. That's why NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft is headed there: to discover why.
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.
19 February 2014, 11:44 AM ET
In this space wallpaper of a dune field on Mars in a large crater near Mawrth Vallis, some of the dunes appear to be in a V-shaped formation. For dune fields, the spacing of individual dunes is a function of sand supply, wind speed, and topography.
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.
18 February 2014, 09:55 AM ET
The FIDO Rover undergoes field test to prepare for conditions on Mars.
14 February 2014, 10:46 PM ET
How do you sense the world beyond a spacesuit's restrictions?
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.
12 February 2014, 06:00 AM ET
Space officials from the United States and France signed an agreement this week in preparation to send a robotic lander to Mars that will peer deep into the core of the Red Planet, NASA announced.
12 February 2014, 12:51 AM ET
Can Mars soil provide enough hydrogen for fuel?
11 February 2014, 09:27 AM ET
This space wallpaper combines a photograph of seasonal dark flows on a Martian slope with a grid of colors based on data collected by a mineral-mapping spectrometer observing the same area. Image released Feb. 10, 2014.
10 February 2014, 04:04 PM ET
The marks, known as recurring slope lineae (RSL), snake down some crater walls and other slopes when the mercury rises on the Red Planet. New research finds seasonal changes in iron minerals at RSL sites, suggesting that brines containing an iron antifree
10 February 2014, 01:42 PM ET
This vivid space wallpaper shows a region of the planet’s northern hemisphere known as Hephaestus Fossae – after the Greek god of fire – that was imaged by the high-resolution stereo camera on ESA’s Mars Express orbiter on Dec. 28, 2007.
08 February 2014, 10:13 AM ET
Skywatchers have a lot to look up for in February 2014. Weather permitting, diligent observers should be able to spot a plethora of planets, comets and stars in the night sky this month.
07 February 2014, 09:12 AM ET
The Mars Surveyor Climate Orbiter undergoes testing to simulate launch conditions.
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
06 February 2014, 11:24 AM ET
A dramatic, fresh impact crater on Mars dominates this spectacular space wallpaper taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter on Nov. 19, 2013.
06 February 2014, 09:27 AM ET
The planets location in the nightsky are pinpointed (you'll need binoculars or a telescope to spot Uranus and Neptune). Also, Comet's Lovejoy, Siding Spring and Linear can be viewed.
06 February 2014, 12:33 AM ET
NASA's Mars Reconnaissance Orbiter photographed the crater on Nov. 19, 2013. Scientists know the feature formed sometime between July 2010 and May 2012, because other MRO observations show big changes in the area between those two dates.
04 February 2014, 04:00 PM ET
For two weeks this January, Crew 133 was a caretaker of a habitat on "Mars." The Mars Desert Research Station is a 1,200-square-foot facility in the middle of the Utah desert and is the property of the Mars Society.
04 February 2014, 10:40 AM ET
While working at the Mars Desert Research Station in rural Utah for three weeks in January, Crew 133 needed to observe several rules to make the simulation as realistic as possible.
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.
03 February 2014, 04:50 PM ET
The mystery of a strange rock on Mars that suddenly appeared in front of NASA's Opportunity rover has warped into the final frontier. Even 'Star Trek' actor William Shatner wants to know what's going on.
03 February 2014, 11:12 AM ET
As if NASA didn't have enough to worry about, the U.S. space agency is now faced with the scandal of the century — they’re being sued for not investigating a bona fide life form on Mars! And it all is due to a mystery rock found by the rover Opportunity.
31 January 2014, 10:49 AM ET
Viking, the planetary landing spacecraft, is under assembly.