25 November 2013, 05:05 PM ET
Not kidding. It is the same dust that was once part of comets and asteroids.
25 November 2013, 02:11 PM ET
National parks and several public observatories have opportunities for the public to catch a view of Comet ISON as astronomers watch it plunge towards the sun.
25 November 2013, 10:34 AM ET
In 2007, a coronal mass ejection from the Sun tore off Comet Enke's tail. As Comet ISON approaches its closest approach to the Sun, it could suffer the same fate.
25 November 2013, 10:07 AM ET
Photographs capture the full colors in aurora displays, unlike the human eye.
22 November 2013, 10:09 AM ET
NASA's Mars rover Curiosity has stopped gathering data for a few days while engineers investigate an electrical problem that cropped up on Sunday. The suspected culprit is a "soft short," a sort of electrical leak through partially conductive material.
22 November 2013, 09:53 AM ET
When a colossal blast of light was detected near the constellation Leo earlier this year, astronomers were mystified about the origin of the violent explosion. Now, new research confirms the event was the brightest gamma-ray burst ever recorded.
21 November 2013, 02:53 PM ET
Scientists have found a huge but diffuse ring of dust near the orbit of Venus, marking the second time such a structure has been discovered in our solar system. The dust ring stretches about 137 million miles from end to end.
21 November 2013, 02:18 PM ET
Using the IceCube Neutrino Observatory in Antarctica, researchers found the first evidence of high-energy neutrinos from outside the solar system. The findings open the door for a new era of astronomy.
21 November 2013, 02:05 PM ET
This cool space wallpaper reveals a very young star being born in the guts of the dark cloud LDN 43 — a massive blob of gas, dust, and ices, gathered 520 light-years from Earth in the constellation of Ophiuchus (The Serpent Bearer).
20 November 2013, 10:50 PM ET
Study uses reflected light to compare chemical makeup of moon and other asteroids.
20 November 2013, 11:25 AM ET
Glowing a dark magenta, the newly discovered exoplanet GJ 504b, as seen in this space wallpaper, weighs in with about four times Jupiter's mass, making it the lowest-mass planet ever directly imaged around a star like the sun.
19 November 2013, 05:45 PM ET
The sun shot out a powerful solar flare early Tuesday (Nov. 19) morning. Though the flare was not pointed directly at Earth, it did cause a radio blackout at 5:26 a.m. EST (1026 GMT), when the sun fired off the flare, space weather experts say.
18 November 2013, 10:06 AM ET
This beautiful space wallpaper shows spiral galaxy Messier 100, located in the southern part of the constellation of Coma Berenices, and lying about 55 million light-years from Earth.
15 November 2013, 02:06 PM ET
The just-released papers spotlight the U.S. government's desire for tight security at Area 51. The site was photographed with American reconnaissance assets to better assess what the Soviet Union's spy satellites might be able to discern.
15 November 2013, 12:00 PM ET
The Red Planet appears to have had a thick atmosphere warm enough for water oceans, and may have been friendly to life. A new animation from NASA depicts the planet's evolution from a lush utopia to the barren land it is today.
15 November 2013, 11:45 AM ET
Astronomers have pieced together a picture of how our Milky Way formed, using Hubble Space Telescope photos of 400 similar galaxies at various stages of evolution. The results reveal that our galaxy's disk and central bulge likely formed simultaneously.
15 November 2013, 11:34 AM ET
This stunning space wallpaper shows the view of the sun from the SWAP (Sun Watcher using Active Pixel System detector and Image Processing) instrument onboard ESA's Proba-2 satellite.
14 November 2013, 12:23 PM ET
A NASA team created maps of the damage inflicted on the Philippians by Super Typhoon Haiyan to bolster relief efforts.
14 November 2013, 12:16 PM ET
Scientists found evidence of nickel and iron in the superfast jets emitted by a relatively small black hole, suggesting that "normal" matter plays a bigger role in these enigmatic structures than does exotic antimatter.
13 November 2013, 04:11 PM ET
This space wallpaper shows the region where carbon monoxide snow has formed around the star. The carbon monoxide is shown here in green, and begins at a distance of more than 30 astronomical units from TW Hydrae.
13 November 2013, 01:56 PM ET
The car-size Curiosity rover went into safe mode Thursday, a few hours after receiving a software update from its handlers on Earth. But mission engineers identified and fixed the problem, allowing Curiosity to resume normal operations on Sunday.
13 November 2013, 12:53 PM ET
The legacy of the famed astrobiologist and science communicator Carl Sagan is now available to people around the world, after the Library of Congress opened The Seth MacFarlane Collection of the Carl Sagan and Ann Druyan Archive on Tuesday.
13 November 2013, 12:41 PM ET
A NASA probe has revealed an unprecedented view of Saturn from space, showing the entire gas giant backlit by the sun with several of its moons and all but one of its rings, as Earth, Venus and Mars all appear as pinpricks light in the background.
12 November 2013, 11:00 AM ET
This fascinating space wallpaper records more than a thousand movements made by ESA’s XMM-Newton space telescope as it shifts its gaze from one X-ray object to another.
12 November 2013, 10:38 AM ET
The most luminous objects in the universe keep getting more mysterious. Astronomers have discovered a new type of quasar — an incredibly bright galactic core powered by a supermassive black hole — that current theory fails to predict.
12 November 2013, 10:32 AM ET
Curiosity rebooted its software on Thursday, shortly after its handlers had uploaded new flight software to the 1-ton rover. It was the first time Curiosity had experienced such a fault-related reboot since landing on Mars in August 2012.
11 November 2013, 03:16 PM ET
The sun's polarity is getting closer to flipping. The star's northern hemisphere's polarity has already reversed, and the southern hemisphere should follow suit soon, scientists say.
11 November 2013, 02:14 PM ET
An astronaut on the International Space Station has seen the deadly Typhoon Haiyan from orbit. See astronaut Karen Nyberg's amazing photo of the super typhoon.
11 November 2013, 01:27 PM ET
This space wallpaper shows a view of a three-dimensional visualization of gas in the nearby starburst galaxy NGC 253 (The Sculptor Galaxy) as observed by the ALMA radio telescope in Chile.
08 November 2013, 03:40 PM ET
Set to launch on Nov 18th, 2013, the orbiter seek to rewind the planet's geologic history back to the wet, warm epoch that might have spawned life. MAVEN's instruments may help scientists understand why the planet lost much of its atmosphere.
08 November 2013, 01:18 PM ET
Moon-forming giant impact caused a giant magma ocean on Earth; life appeared millions of years later, hitching a ride on a Martian rock, a scientist says.
08 November 2013, 11:04 AM ET
This fascinating space wallpaper shows a simulation of a gas cloud passing close to the supermassive black hole at the center of the galaxy in mid-2013.