13 February 2014, 02:57 PM ET
The largest moon in the solar system has finally received its cartographic due, more than 400 years after its discovery.
13 February 2014, 02:22 PM ET
A strange ribbon of energy and particles at the edge of the solar system first spotted by a NASA spacecraft appears to serve as a sort of "roadmap in the sky" for the interstellar magnetic field, scientists say.
12 February 2014, 07:54 PM ET
Can Mars soil provide enough hydrogen for fuel?
12 February 2014, 02:56 PM ET
The Research and Education Cooperative Occultation (RECON) catalogues outer solar system Kuiper Belt objects while training high school students with real astronomical science.
12 February 2014, 12:07 PM ET
The new video, which NASA released Tuesday (Feb. 11), is a greatest-hits set from the Solar Dynamics Observatory's fourth year in orbit, compiling some of its most dramatic and beautiful images from the last 12 months.
12 February 2014, 11:55 AM ET
A writhing, violent region below the surface of the sun glows in a newly released video. Scientists created the video using data collected by NASA's Interface Region Imaging Spectrograph spacecraft (IRIS, for short).
12 February 2014, 11:49 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, 11:41 AM ET
This vivid Kompsat-2 space wallpaper shows the Amazon River in the heart of northern Brazil’s rainforest. The false color makes land vegetation appear pink, while water appears green and dark blue.
11 February 2014, 07:00 PM ET
Art brings a new dimension to help people explore space.
11 February 2014, 09:46 AM ET
Astronomers may have found the oldest known star in the universe. The ancient star formed not long after the Big Bang 13.7 billion years ago, according to Australian National University scientists.
11 February 2014, 09:35 AM ET
The moon rises above the Pacific in this spectacular space wallpaper taken March 4, 2005, just three minutes before the point of closest approach during Rosetta's Earth fly-by. This image was released Oct. 11, 2013.
11 February 2014, 09:29 AM ET
What's new under the Sun? NASA's IRIS probe has taken an unusually detailed and deep look at the interface region beneath the Sun’s surface. It is much more violent and explosive than researchers previously believed.
10 February 2014, 07:06 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.
10 February 2014, 06:35 PM ET
A new deep view of the universe from NASA's Hubble Space Telescope has revealed one of the youngest galaxies ever observed by astronomers.
10 February 2014, 01:59 PM ET
New images of galaxy Centaurus A, equivalent to a single Chandra X-Ray telescope exposure nearly 10 days long taken between 1999 and 2012, shows bright jets from a supermassive black hole. A dark dust lane is a fossil of an ancient galaxy collision.
10 February 2014, 12:24 PM ET
Worlds with twin suns like Luke Skywalker's fictional home world Tatooine in "Star Wars" may be born far from the stellar heart of their alien solar systems, scientists say.
10 February 2014, 12:13 PM ET
By 2040 or so, astronomers will have scanned enough star systems give themselves a great shot of discovering alien-produced electromagnetic signals, said Seth Shostak of the SETI Institute.
10 February 2014, 11:52 AM ET
In this stunning space wallpaper, taken with the Cassini wide-angle camera on June 6, 2012, the spacecraft looks toward the night side of Titan and sees sunlight scattering through the periphery of Titan's atmosphere and forming a ring of color.
07 February 2014, 02:55 PM ET
A probe orbiting Mercury has beamed more than 200,000 images to ground controllers on Earth, and it's still going strong.
07 February 2014, 02:36 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.
07 February 2014, 01:59 PM ET
The late news anchor Walter Cronkite, the planet-hunting Kepler space telescope and a hypersonic aircraft mission are among the people and projects being honored by this year's National Space Club awards.
07 February 2014, 01:52 PM ET
This stunning space wallpaper shows the Toby Jug Nebula, which is located about 1200 light-years from Earth in the southern constellation of Carina (The Ship’s Keel). More formally known as IC 2220, it is an example of a reflection nebula.
07 February 2014, 01:43 PM ET
"Dynamic Earth," a video created by staffers at NASA's Scientific Visualization Studio and their colleagues, took first prize in the 2013 International Science and Engineering Visualization Challenge.
06 February 2014, 04:08 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, 11:37 AM ET
This stunning space wallpaper, not unlike a pointillist painting, shows the star-studded center of the Milky Way towards the constellation of Sagittarius.
06 February 2014, 11:14 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.
06 February 2014, 11:07 AM ET
Black holes acting as companions to early stars may have taken more time to raise the temperature of the ancient universe than previously thought, a new study suggests.
05 February 2014, 06:35 PM ET
Satellites circling Earth have snapped stunning views of the sprawling sporting venues and slopes that will host the world's best athletes next week when the 2014 Winter Olympic Games begin in Sochi.
05 February 2014, 05:09 PM ET
"Dynamic Earth" is the video winner of the 2013 International Science and Engineering Visualization Challenge, jointly sponsored by the National Science Foundation and the journal Science.
05 February 2014, 09:36 AM ET
The innards of an asteroid in space have been measured for the first time. Astronomers using a European Southern Observatory telescope have made precise measurements of Asteroid Itokawa's density.
05 February 2014, 02:36 AM ET
This weekend, the moon’s fortnightly rotation cycle turns China’s lunar rover Yutu (the Jade Rabbit) and its solar panels toward the sun once again … but whether the rover wakes up or not remains to be seen.
04 February 2014, 04:57 PM ET
NASA's flagship space telescope has passed a major milestone: The final three mirrors of the James Webb Space Telescope (JWST) have arrived at NASA's Goddard Spaceflight Center in Greenbelt, Md.