31 October 2013, 01:40 PM ET
It may look wicked, but a stunning — if not scary — new view of the Witch Nebula unveiled by NASA for Halloween is actually the home of baby stars just beginning their cosmic lives. NASA featured the image as its space photo of the day to mark Halloween.
31 October 2013, 09:18 AM ET
An extreme of winter on Earth is Antarctica, where the handful of research bases are places of solitude and waiting. The Franco–Italian Concordia outpost, seen here in this cool space wallpaper, is one of these.
30 October 2013, 04:28 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 gear to use for the first time since Sept. 22.
30 October 2013, 04:07 PM ET
Halloween is a traditionally scary time, and 10 years ago the sun joined the fray with one of the most powerful solar storms ever recorded. See the inside story of the Halloween solar storm of 2003 and watch a video of the amazing event here.
30 October 2013, 03:54 PM ET
A new experiment buried deep underground has just proven itself to be the most sensitive dark-matter detector ever built.
30 October 2013, 03:46 PM ET
The exoplanet Kepler-78b is just 20 percent wider and about 80 percent more massive than Earth, with a density nearly identical to that of Earth, two research teams report in separate papers published online today in the journal Nature.
29 October 2013, 01:50 PM ET
The ghostly Boomerang Nebula, called the 'coldest place in the universe,' reveals its true shape in this amazing space wallpaper from the giant ALMA radio telescope.
29 October 2013, 01:20 PM ET
The young moon may have been a magma "mush" for hundreds of millions of years before it solidified, a scientist says.
29 October 2013, 01:06 PM ET
A ghostly nebula shining about 5,000 light-years from Earth is also the coldest object in the universe.
28 October 2013, 01:16 PM ET
The sun has just unleashed another major solar flare, the third of its kind in three days, scientists say. The huge solar storm occurred late Sunday at 10:03 p.m. EDT (0203 Oct. 28 GMT). It registered as an X-class solar flare.
28 October 2013, 12:41 PM ET
A magnetic filament of solar material erupted on the sun in late September, breaking the quiet conditions in a spectacular fashion as seen in this amazing space wallpaper — dubbed a “canyon of fire” by NASA officials.
25 October 2013, 04:26 PM ET
NASA's Hubble, Spitzer and Chandra space telescopes will observe six galaxy clusters over the next three years during The Frontier Fields project. The trio should be able to spot galaxies that existed just a few hundred million years after the Big Bang.
25 October 2013, 02:43 PM ET
This striking cosmic whirl is the center of galaxy NGC 524, as seen in this fascinating space wallpaper. This galaxy is located in the constellation of Pisces, some 90 million light-years from Earth. NGC 524 is a lenticular galaxy.
25 October 2013, 02:35 PM ET
The most recent flare, which erupted at 11:03 a.m. EDT Friday, registered as an X-class event, the most powerful type. It clocked in at X2.1 on the space weather scale, beating out the X1.7 flare that the sun fired off just seven hours earlier.
25 October 2013, 02:02 PM ET
The sun erupted with two of the strongest solar flares it can unleash Friday (Oct. 25), just days after firing off an intense solar storm at Earth. The major solar flares registered as X1.7- and x2-class solar events on the space weather scale.
25 October 2013, 01:14 PM ET
Opportunity is working its way up "Solander Point," the northern tip of a 130-foot-tall hill. The rover is currently studying rocky outcrops that lie between 6.5 feet and 20 feet above the surrounding plains, and it may climb higher in the coming days.
25 October 2013, 01:05 PM ET
NASA's Cassini space probe is getting an exceptional look at the vast liquid lakes of Titan's north pole, where dense winter clouds are finally vanishing thanks to a change in seasons on Saturn's largest moon.
25 October 2013, 12:49 PM ET
The mesmerizing rings of Saturn glimmer in a series of new photos that illuminate parts of the planet that normally appear darkened. The infrared images offer unique views of Saturn's dark side, bathed from behind in the sun's light.
25 October 2013, 11:55 AM ET
Earth likely got most of its water from asteroid impacts nearly 4.6 billion years ago, shortly after the solar system came into being. Researchers found evidence that water disappeared from a meteorite's parent asteroid soon after the space rock formed.
24 October 2013, 01:27 PM 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.
24 October 2013, 10:28 AM ET
Two of the five main databases that catalog exoplanet discoveries list 1,010 confirmed alien worlds as of today. That's a lot of progress since 1992, when researchers found the first-ever exoplanets orbiting a spinning neutron star, or pulsar.
23 October 2013, 04:28 PM ET
A Phiddipus johnsoni, or red-backed jumping spider (named Nefertiti), has returned from its time on the International Space Station. Its hunting skills were compromised when attempting to capture its prey, due to its readaptation to gravity on Earth.
23 October 2013, 02:23 PM ET
By using data collected by the Hubble Space Telescope and observations with the Keck I telescope in Hawaii, astronomers have now confirmed that the galaxy designated z8_GND_5296 formed within 700 million years after the beginning of the universe.
23 October 2013, 11:52 AM ET
Possible future asteroid miner and CEO of the X Prize Foundation Peter Diamandis now has a different kind of prize.
23 October 2013, 08:51 AM ET
This space wallpaper showcases the ancient globular cluster 47 Tucanae, a dense swarm of up to a million stars. The image at left shows the entire cluster, which measures about 120 light-years across.
22 October 2013, 03:01 PM ET
New observations from ESO’s Very Large Telescope show for the first time a gas cloud being ripped apart by the supermassive black hole at the center of the galaxy, as seen in this space wallpaper.
22 October 2013, 02:06 PM ET
A new analysis of a Martian meteorite claims some of the planet's missing carbon dioxide atmosphere disappeared into Mars itself.
22 October 2013, 01:56 PM ET
When NASA's Jupiter-bound Juno spacecraft zipped around Earth earlier this month, it peered back at our planet for a photo op. During this close encounter, the JunoCam snapped an image of Earth, released by NASA this week.
22 October 2013, 01:20 AM ET
Science-minded tweeters took matters into their own hands and we saw the growth of the #ThingsNASAmighttweet hashtag, a crowd-sourced feed of NASA news and mission updates.
21 October 2013, 05:50 PM ET
Earth-observing satellites caught views of the Chelyabinsk meteor strike last winter from above, showing the value of having eyes in the sky to monitor such threats, researchers say.
21 October 2013, 02:31 PM ET
On-orbit astronaut Karen Nyberg proves Cady Coleman told 'Gravity's Sandra Bullock the truth: a single strand of human hair pushed against a handrail aboard the ISS sprang Nyberg backwards in microgravity.
21 October 2013, 12:17 PM ET
In this space wallpaper—among a crowd of face- and edge-on spiral, elliptical, and irregular galaxies in the constellation of Virgo—lies NGC 4866, which is a lenticular galaxy situated about 80 million light-years from Earth.