06 September 2013, 12:41 PM ET
The contorted object captured by Hubble in this cool space wallpaper is IRAS 22491-1808, also known as the South America Galaxy. It is an ultraluminous infrared galaxy (ULIRG) that emits a huge amount of light at infrared wavelengths.
06 September 2013, 10:05 AM ET
NASA's new LADEE spacecraft launching Friday (Sept. 6), it's Destination: Moon, and the weather couldn't be finer for the late-night launch. LADEE launches at 11:27 p.m. ET to probe the mysteries of moon dust and the lunar atmosphere.
05 September 2013, 08:49 PM ET
The Mars Science Laboratory had its sights set on the Sun when Phobos passed directly in front of it.
05 September 2013, 05:08 PM ET
Scientists examining four decades' worth of data have discovered that the interstellar gas breezing through the solar system has shifted in direction by 6 degrees, a finding that could affect how we view not only the galaxy but the sun itself.
05 September 2013, 04:51 PM ET
The best look yet at mysterious brown dwarfs, strange cosmic oddities that blur the lines between stars and planets, now has revealed just how large and cold they really are. The weird 'failed stars' only get as hot as a kitchen oven.
05 September 2013, 10:42 AM ET
A colossal storm that raged on Saturn in 2010 and 2011 churned water ice up from deep within the ringed planet's thick atmosphere. NASA's Cassini spacecraft detected the ice crystals from orbit, marking the first observation of water on the planet.
05 September 2013, 10:01 AM ET
NASA is weighing candidate landing sites for its next mission to the surface of Mars, a three-legged InSight probe that will study the Red Planet's core in 2016.
05 September 2013, 09:48 AM ET
Ligeia Mare, shown here in this stunning false-color space wallpaper from the international Cassini mission, is the second largest known body of liquid on Saturn's moon Titan. It is filled with liquid hydrocarbons, such as ethane and methane.
05 September 2013, 09:18 AM ET
As NASA continues to plan out its mission to park an asteroid near the moon, the agency will consider nearly 100 ideas submitted by potential partners submitted by potential parterners in response to a June request for information.
04 September 2013, 04:16 PM ET
Dying stars that are among the most beautiful objects in the universe line up across the night sky, and astronomers aren't sure why. These "cosmic butterflies" all have their own formation histories, but something is making them dance in step.
04 September 2013, 09:23 AM ET
NASA's next moon shot could help scientists solve some age-old mysteries of the solar system.
03 September 2013, 02:11 PM ET
Slinking along through the sands of space is a "cosmic caterpillar" as dubbed by NASA in a new photo released from the Hubble Space Telescope.
03 September 2013, 10:36 AM ET
This space wallpaper is a compilation of three images from Envisat’s radar and shows where southwestern Africa’s Okavango River empties into the inland Okavango Delta in northern Botswana.
30 August 2013, 05:14 PM ET
Apollo astronauts repeatedly saw a weird glow four decades ago. Now NASA is launching the Lunar Atmosphere and Dust Environment Explorer (LADEE) probe, which will communicate by laser, to learn what’s going on near the Moon’s surface.
30 August 2013, 09:21 AM ET
This spectacular group of young stars as seen in this space wallpaper is the open star cluster NGC 3766 in the constellation of Centaurus (The Centaur).
29 August 2013, 05:50 PM ET
NASA's Mars rover Curiosity has captured the sharpest-ever images of a solar eclipse as seen from the Red Planet. The 1-ton robot snapped pictures as Phobos, the larger of Mars' two tiny moons, blotted out much of the solar disk on Aug. 17.
29 August 2013, 05:35 PM ET
Astronomers have discovered an unexpected, novel kind of triangle in the sky — one whose points are the sun, Uranus and a first Trojan asteroid ever seen near the tilted planet. The discovery is the first known "Trojan asteroid" for Uranus.
29 August 2013, 05:27 PM ET
The Milky Way's giant black hole turns out to be a messy eater. Of all the gas that falls toward it, 99 percent gets spewed back out into space, new observations show.
29 August 2013, 09:11 AM ET
The 1-ton Curiosity rover used autonomous navigation for the first time on Tuesday. The robot will likely use this "autonav" capability more and more as it continues the long trek toward the base of Mars' huge Mount Sharp, NASA officials said.
28 August 2013, 02:58 PM ET
NASA satellites in orbit high above the surface of the Earth have caught sight of a huge wildfire burning in California.
28 August 2013, 11:41 AM ET
Astronomers have found a twin star to Earth's own sun, only much older. The rare star is the oldest known "solar twin," and offers a peek at what Earth's star will look like in 4 billion years.
28 August 2013, 09:17 AM ET
The third of the seven primary mirrors for the Giant Magellan Telescope was cast Saturday at the University of Arizona's Steward Observatory Mirror Lab.
28 August 2013, 09:07 AM ET
A spacecraft has spotted water on the lunar surface that originated deep within the moon. The find marks the first detection of "magmatic water" from orbit and confirms analyses performed on moon rocks brought to Earth by Apollo astronauts.
28 August 2013, 08:59 AM ET
The face-on spiral galaxy M101, or the Pinwheel Galaxy, is seen at ultraviolet and optical wavelengths in this amazing space wallpaper taken by ESA’s XMM-Newton space telescope. This image was released June 10, 2013.
27 August 2013, 01:26 PM ET
The new radar images show the asteroid 2005 WK4 as it passed Earth on Aug. 8 at a safe distance of 1.93 million miles (3.1 million kilometers), which is about 8.2 times the distance between Earth and the moon. It is nearly 980 feet wide.
26 August 2013, 12:58 PM ET
Astronomers working with the Very Large Telescope in Chile plan to announce a "major result" Wednesday (Aug. 28).
26 August 2013, 09:00 AM ET
This beautiful space wallpaper is a mosaic of Kasei Valles, comprising 67 images taken with the High Resolution Stereo Camera on ESA’s Mars Express. This image was released June 6, 2013.
23 August 2013, 05:43 PM ET
An enormous mirror will be cast inside a scorching-hot furnace Saturday (Aug. 24), marking a key milestone in the development of the Giant Magellan Telescope, which will collect more light than any instrument built to date.
23 August 2013, 03:27 PM ET
NASA's next robotic moon mission that will investigate the mysteries of moon dust and the lunar atmosphere is set for launch.
23 August 2013, 09:35 AM ET
This stunning space wallpaper is a combination of two composite images of NGC 6210.
22 August 2013, 09:37 AM ET
NASA will reactivate an asteroid-hunting spacecraft next month to help identify potentially dangerous space rocks and flag candidates for the agency's ambitious asteroid-retrieval mission, officials announced Wednesday (Aug. 21).
22 August 2013, 09:26 AM ET
Astronomers have taken the sharpest-ever photos of the night sky in visible light, using a telescope in Chile and a new camera and "adaptive optics" system that cancels out the blurring effects of Earth's atmosphere.