06 March 2014, 10:26 AM ET
This vivid space wallpaper is a color composite image made from a ground-based eclipse image obtained by the Williams College Eclipse Expedition in Gabon and a wide-field EUV mosaic of the solar corona obtained in space by SWAP onboard PROBA2.
06 March 2014, 10:19 AM ET
Three of NASA's top meteor and fireball experts will answer questions from the public about the science behind space rocks from the sky today in a Reddit "Ask Me Anything" forum today live at 2 p.m. EST (1900 GMT).
06 March 2014, 10:01 AM ET
Astronomers have calculated how fast a distant supermassive black hole rotates, clocking it at nearly half the speed of light. A fortuitious lineup of cosmic objects allowed scientists to measure the mind-boggling spin rate.
06 March 2014, 09:40 AM ET
The space agency's Cassini probe snapped the photo in October, when it was 1.6 million miles from Saturn and 38 degrees below the ring plane. The planet's battered "Death Star" moon Mimas is visible as a pinprick of light at the bottom right.
06 March 2014, 09:34 AM ET
The 33-foot-wide (10 meters) near-Earth asteroid 2014 EC will come within 34,550 miles (55,600 kilometers) of Earth's surface this evening (March 6). You can watch the flyby here at Space.com beginning at 2:30 p.m. EST.
05 March 2014, 10:54 AM ET
A newfound asteroid will buzz close by Earth today (March 4), flying safely between our planet and the orbit of the moon, and you can follow the space rock encounter live online. The asteroid 2014 DX110 will zip by Earth at 4 p.m. EST (2100 GMT) today.
05 March 2014, 10:00 AM ET
The White House's 2015 federal budget request, which was released Tuesday, allocates $15 million to help develop a mission to Europa, which harbors a potentially life-supporting ocean of liquid water beneath its icy shell.
05 March 2014, 09:47 AM ET
The White House's 2015 federal budget request, which was released today, slashes funding for the space agency's Stratospheric Observatory for Infrared Astronomy, a modified Boeing 747 aircraft that scans the heavens using an 8.2-foot-wide telescope.
04 March 2014, 02:23 PM ET
The detection of eight new planet candidates implies that virtually all red dwarfs throughout the galaxy have planets, and at least 25 percent of these stars in the sun's own neighborhood host habitable-zone "super-Earths," researchers said.
04 March 2014, 02:11 PM ET
Inside black holes dwell quantum remains of the stars from which they were formed, say a group of scientists, who also predict that these stars can later emerge once the black hole evaporates.
04 March 2014, 01:59 PM ET
This fascinating space wallpaper reveals the center of the Milky Way galaxy imaged by NASA's Spitzer Space Telescope. Our host galaxy is displayed on a quarter-of-a-billion-pixel, high-definition 23-foot-wide (7-meter) LCD science visualization screen.
04 March 2014, 10:30 AM ET
A human would be able to take flight off the surface of Saturn's moon Titan by running in a wingsuit — but only if they were as fast as sprinter Usain Bolt, a group of physics students say.
04 March 2014, 01:55 AM ET
To say space research is a waste of money is wrong. For every US$1 put into US space agency, its citizens get US$10 as payback; in Japan and the European Union that amount is more than US$3.
03 March 2014, 06:45 PM ET
The dazzling northern lights dance in a stunning display over Swedish Mountains in these beautiful images and video captured by aurora photographer Chad Blakely of Lights Over Lapland.
03 March 2014, 03:53 PM ET
A fast-spinning star destroys its companion, much as a black widow spider consumes its mate.
03 March 2014, 12:05 PM ET
A witch appears to be screaming out into space in this stunning space wallpaper from NASA's Wide-Field Infrared Survey Explorer, or WISE. The infrared portrait shows the Witch Head nebula, named after its resemblance to the profile of a wicked witch.
28 February 2014, 03:06 PM ET
The discovery of tiny balls and tunnels inside a Martian meteorite has rekindled the debate over whether the Red Planet was teeming with primitive life millions of years ago.
28 February 2014, 01:40 PM ET
New images from space reveal the storms that are bringing much needed rains to California. Though the storms will help, they won't make much of a dent in the historic drought.
28 February 2014, 12:21 PM ET
Though a glitch ended Kepler's original operations last May, the mission continues to discover distant worlds, adding a whopping 715 new exoplanets to the tally on Wednesday. Many more will follow, and a new mission could keep Kepler busy for years.
28 February 2014, 12:07 PM ET
NASA's Mars rover Curiosity has taken some dazzling new photos of the Red Planet landscape, showing in sharp detail where it's been and the long road ahead, which leads to the base of a 3.4-mile-high mountain.
28 February 2014, 11:22 AM ET
Black holes can blast their surroundings with much stronger winds than previously thought, scientists say. The discovery will help better model the evolution of black holes over time, and help uncover the huge influence they can have on host galaxies.
28 February 2014, 11:07 AM ET
ATV Albert Einstein backs away from the International Space Station shortly after undocking at 09:55 CET (08:55 UT) on Oct. 28, 2013, as seen in this space wallpaper.
27 February 2014, 02:22 PM ET
The Global Precipitation Measurement (GPM) Core Observatory, a joint effort between NASA and the Japan Aerospace Exploration Agency, blasted off aboard an H-2A rocket from Japan's Tanegashima Space Center today at 1:37 p.m. EST.
27 February 2014, 09:32 AM ET
This detailed space wallpaper shows the central parts of the nearby active galaxy NGC 1433. The dim blue background image, showing the central dust lanes of this galaxy, comes from the NASA/ESA Hubble Space Telescope.
27 February 2014, 09:27 AM ET
A potentially deadly spacesuit water leak that nearly drowned an Italian astronaut during a spacewalk last July was one of the scariest close calls in NASA's spacewalk history. In fact, the spacesuit also leaked during an earlier spacewalk.
26 February 2014, 05:26 PM ET
NASA has confirmed the existence of 715 newly discovered alien planets using the agency's Kepler Space Telescope, effectively doubling the number of exoplanets known today. See what the discovery means for life here.
26 February 2014, 02:19 PM ET
A recent image from the International Space Station (ISS) shows in stark detail the utter lack of development in North Korea — widely considered to be a "rogue" state — compared to next-door neighbor South Korea, a rapidly developing industrial power.
26 February 2014, 09:33 AM ET
A team of scientists says that microscopic tunnels and carbon-rich spherules that stud the interior of a Martian meteorite known as Yamato 000593 may have been formed by Red Planet organisms long ago, NBC News reported today (Feb. 25).
26 February 2014, 09:26 AM ET
NASA watched as a large, peanut-shaped asteroid flew past Earth in early February, and you can see the impressive images in a new video released by the space agency.
25 February 2014, 02:51 PM ET
Water vapor has been detected in the atmosphere of one of the first alien planets ever identified by astronomers, scientists announced.
25 February 2014, 11:58 AM 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.
25 February 2014, 11:50 AM ET
The sun erupted with a major solar flare on Tuesday (Feb. 25), an X4.9 solar flare that is the biggest sun storms of the year. See how a familiar sunspot triggered the massive solar storm here.
25 February 2014, 11:26 AM ET
A tiny spacecraft with its gaze trained on the sun has observed the strongest solar flare since it launched into orbit last summer, NASA announced.
25 February 2014, 11:21 AM ET
The space agency will announce more discoveries by Kepler, whose original planet-hunting mission was scuttled by a glitch in May 2013, during a press conference at 1 p.m. EST on Wednesday (Feb. 26).
25 February 2014, 10:59 AM ET
A boulder-sized space rock slammed into the lunar surface last year, sparking the brightest explosion on the moon ever seen, scientists say.
25 February 2014, 10:35 AM ET
The planned Museum of Science Fiction will be partnering with the Science Channel to provide sponsorship and content for the new venture, the museum announced today (Feb. 25).