04 March 2014, 06:07 PM ET
NASA unveiled its 2015 budget request on Tuesday (March 4), a $17.5 billion spending plan that would maintain the space agency's major ongoing missions, while supporting ambitious new science missions. See reactions to the new NASA budget.
04 March 2014, 03:05 PM ET
NASA unveiled its 2015 budget request today (March 4), a request that seeks $17.5 billion for the agency. See NASA chief Charles Bolden's view of the agency's 2015 budget plan.
04 March 2014, 01:08 PM ET
NASA's 2015 budget would remain essentially flat at $17.5 billion under a White House spending proposal unveiled today (March 4). It maintains the agency's biggest space programs, lays groundwork for major new astrophysics and planetary science.
04 March 2014, 12:50 PM ET
See images of NASA’s space exploration goals for 2015.
04 March 2014, 02:12 AM ET
To succeed in distant space, first engineers must tackle artificial gravity.
03 March 2014, 10:18 AM ET
The Netherlands-based nonprofit Mars One, which aims to land four astronauts on the Red Planet in 2025, has signed a deal to use a new "people's map of Mars" being developed by the space-funding company Uwingu.
01 March 2014, 10:06 AM ET
A flyby of Mars in 2021 could be a good precursor to landing astronauts on Mars sometime in the not-too-distant future, but much work needs to be accomplished before that goal can be achieved, experts told Congress Thursday (Feb. 27).
28 February 2014, 11:57 AM ET
The nonprofit Mars Society has selected 62 semifinalists from a total of more than 200 applicants for its Mars Arctic 365 (MA365) mission, which aims to help prepare humanity for a real manned Red Planet mission down the road.
28 February 2014, 11:43 AM ET
See images and photos of an audacious private manned Mars mission in 2021 by the nonprofit Inspiration Mars Foundation.
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