27 November 2013, 02:08 PM ET
The incredible luminosity of a black-hole system known as ULX-1 may force a rethink of the leading theories that explain how some black holes radiate energy, researchers said.
27 November 2013, 12:06 PM ET
Engineers may have found a way to restore much of the space telescope's lost pointing ability, suggesting that a proposed new mission called K2 could indeed be doable for Kepler.
27 November 2013, 11:19 AM ET
The icy Comet ISON from the depths of deep space will either meet its doom or transform into a cosmic spectacle when it whips around the sun Thursday (Nov. 28) in a Thanksgiving Day treat for NASA and scientists around the world.
27 November 2013, 11:11 AM ET
This stunning space wallpaper shows the ancient cratered southern highlands of Mars. Faint traces of a wet past are seen in the form of channels (lower center), fluidized debris around craters (bottom right) and blocks of eroded sediments (top left).
27 November 2013, 11:06 AM ET
On Oct. 27th, 2013, the NASA/ESA Solar and Heliospheric Observatory (SOHO) captured ISON as it closes in on its Thanksgiving Day date with the Sun. It's traveling at 240,000 mph and is currently surviving the high heat, according to Spaceweather.com.
27 November 2013, 07:55 AM ET
The soaring global population could accelerate the pace of climate change, strain resources and threaten biodiversity around the globe. But it may also help humanity get off the planet and establish its first footholds in the final frontier.
27 November 2013, 07:28 AM ET
Food scientist Vickie Kloeris gives SPACE.com's @MiriKramer the run down on the food that the ISS crew will be eating on Thanksgiving 2013.
26 November 2013, 11:51 AM ET
San Francisco-based startup Planet Labs delivered the 28 tiny satellites that will make up its "Flock 1" fleet to NASA's Wallops Flight Facility in Virginia earlier this month. The constellation is slated to blast off aboard a private cargo vessel on Dec.
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.