13 February 2014, 10:53 AM ET
Ganymede would easily be classified as a planet if were orbiting the sun rather than Jupiter.
13 February 2014, 10:46 AM ET
The winter storm the battered the southeast United States has now settled over the Northeast. Over a foot of snow, damaging winds and ice are forecasted for Feb. 13th, 2014. NOAA's GOES-East satellite has been providing coverage.
13 February 2014, 10:01 AM ET
The latest images from an Earth-watching satellite show frigid clouds veiling the eastern United States in a frightening sign of the snowstorm unfurling the region.
13 February 2014, 08:05 AM ET
Juggling flight delays and busy skies with the skill of seasoned air traffic controllers, International Space Station managers have approved the launch date for SpaceX's next cargo resupply mission for March 16.
13 February 2014, 07:44 AM ET
A full moon is rising for lovers on Valentine's Day and it will be a Snow Moon. If weather permits, look up on Friday (Feb. 14) to see the full moon shining brightly in the winter sky.
13 February 2014, 07:30 AM ET
NASA released an image of the brightly lit Sochi sporting complex captured by one of the astronauts aboard the space station this week. From their exclusive lookout, the spaceflyers on the orbiting lab can even see the Olympic flame burning.
12 February 2014, 07:34 PM ET
Edmond Halley is best remembered for predicting the orbit of the comet that was later named after him. Besides astronomy, he also made significant discoveries in the fields of geophysics, mathematics, meteorology and physics.
12 February 2014, 07:00 PM ET
Art brings a new dimension to help people explore space.
12 February 2014, 06:42 PM ET
Kurina in Swedish Lapland will be the future home of a 'world-class' spaceport that will offer zero-g and northern lights flights, centrifuge training and more.
12 February 2014, 04:34 PM ET
The NOAA GOES-East satellite has sent imagery down to Earth from Feb. 10-12, 2014. The storm is blasting the east coast of the United States with dangerous winter weather.
12 February 2014, 04:27 PM ET
What's better than placing gold at the Sochi Winter Olympics? Placing gold at the Winter Olympic Games on Feb. 15 — because on that day, and that day alone, earning a gold medal also means being awarded a piece of a rock that fell from space.
12 February 2014, 03:41 PM ET
Surface features, such as furrows, grooves and impact craters are illustrated on this 360 degree view of the moon. The best imagery from NASA's Voyager 1 and 2 and Galileo spacecrafts were used to create it. Galileo Galilei discovered it in 1610.
12 February 2014, 03:01 PM ET
As the anniversary of last year's surprise Russian meteor explosion nears, a United Nations action team is taking steps to thwart dangerous space rocks, including setting up a warning network and a planning advisory group.
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, 01:50 PM ET
Venus will perform a balancing act this week. Normally Venus, like most objects in space, gets fainter as it gets farther away from Earth. However, as Venus moves around the sun, it is lit from different angles, and this also affects its brightness.
12 February 2014, 01:30 PM ET
A year after the Chelyabinsk meteor slammed into the atmosphere above Russia, the world's space agencies have a new plan to address asteroid threats — including a possible mission to waylay an asteroid.
12 February 2014, 01:26 PM ET
One of the more amazing sights in our sky is the planet Venus. At its best, Venus is brighter than all other celestial objects except the sun and moon. Currently, the brilliant planet is so bright that you can actually see it in the daytime, if you know w
12 February 2014, 01:22 PM ET
This stunning space wallpaper is a composite of 25 separate images spanning the period of Feb. 11, 2013 to Feb. 11, 2014.
12 February 2014, 01:01 PM ET
The observation of unexpected chemicals in the planet-forming disk around a young star indicate that such disks may be more complicated than previously anticipated.
12 February 2014, 11:06 AM ET
China's first moon lander, Chang'e 3, is reportedly up and running following its second encounter with the vicious lunar night cycle. But whether the lander's sidekick, the Yutu moon rover, also survived the lunar cold is not immediately clear.
12 February 2014, 10:56 AM ET
The Deep Space 1 Technology Demonstrator features many new technologies, but none so high-tech as the ion propulsion system.
12 February 2014, 09:00 AM 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, 09:00 AM ET
A Japanese astronaut created a microgravity, multicolored light show on the International Space Station in the name of art.
12 February 2014, 06:59 AM ET
The Milky Way's spiral shape may look a bit like a snail — but galaxies like Earth's own haven't always had this structure. Now researchers say they know when and how these spirals emerged.
12 February 2014, 06:00 AM ET
The four satellites that currently comprise the Galileo constellation — Europe's version of the United States' GPS satnav system — have passed a key test called In-Orbit Validation, European Space Agency officials announced Monday.
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, 05:50 AM ET
A powerful jet shooting from a supermassive black hole at the center of a distant galaxy shines in a newly released image and video tour.
12 February 2014, 12:51 AM ET
Can Mars soil provide enough hydrogen for fuel?
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)
11 February 2014, 06:09 PM 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).
11 February 2014, 05:52 PM ET
An Earth-watching satellite has spotted the latest winter storm threatening to paralyze the southeastern United States Tuesday (Feb. 11).
11 February 2014, 05:35 PM ET
A new set of gold and silver coins has been minted in France celebrating a half century of European exploits in space. The Monnaie de Paris issued the "50 Years of European Space Cooperation" coin collection featuring the Ariane rocket.