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).
25 February 2014, 12:35 AM ET
Will telemedicine work on Mars?
24 February 2014, 01:46 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.
24 February 2014, 11:43 AM ET
Inpouring rivers of hydrogen gas could explain how spiral galaxies maintain the constant star formation that dominates their hearts. Scientists observed a tenuous filament of gas streaming into the galaxy NGC 6946, known as the Fireworks Galaxy.
24 February 2014, 11:32 AM ET
After decades of wondering why young massive stars don't blow away the gas surrounding them, astronomers have finally found a process that explains how these youngsters hang on to their gassy envelopes.
21 February 2014, 02:06 PM ET
A deep freeze has settled in over the Great Lakes this winter and a new image released by NASA shows the astonishing extent of the ice cover as seen from space.
21 February 2014, 09:53 AM ET
This stunning space wallpaper is a false-color mosaic, made from infrared data collected by NASA's Cassini spacecraft. It reveals the differences in the composition of surface materials around hydrocarbon lakes at Titan, Saturn's largest moon.
21 February 2014, 09:35 AM ET
The maneuver was designed to test out a strategy for reducing wear on the robot's six metal wheels, which have accumulated dings and holes at an increasing rate over the last few months, NASA officials said.
21 February 2014, 03:17 AM ET
You don't have to grind your own lenses to build your own telescope.
20 February 2014, 06:37 PM ET
New photos of the Martian landscape further rule out a meteorite impact as the culprit behind the "jelly doughnut" rock that mysteriously appeared in front of one of NASA's Mars rovers last month.
20 February 2014, 10:09 AM ET
Officials with the Slooh Space Camera are urging the public to help find the asteroid 2000 EM26, which hasn't been seen since March 14, 2000, just nine days after its discovery.
20 February 2014, 10:03 AM ET
The European Space Agency has selected a space telescope called PLATO — short for Planetary Transits and Oscillations of stars — as its third medium-class science mission. The observatory is slated to blast off in 2024.
19 February 2014, 02:47 PM ET
The devastating, explosive deaths of stars appear to be lopsided cosmic conflagrations, scientists say. The new findings may be a clue into what exactly happens in the hearts of stars as they explode as supernovas.
19 February 2014, 02:11 PM ET
The retired Earth-watching satellite Landsat 5 may have quit taking pictures of planet, but it’s apparently not finished posing in them.
19 February 2014, 12:26 PM ET
Astronomers studying the remnants of a well-known stellar explosion discovered a blisteringly fast shock wave that is rushing inward at 1,000 times the speed of sound, lighting up what remains of the powerful cosmic explosion.
19 February 2014, 11:55 AM ET
A new image of M7 shows stars shining like diamonds in the tail of Scorpius. The star cluster is about 200 million years old and a part of its population are expected to explode as supernovas.
19 February 2014, 11:01 AM ET
Observations by NASA's Hubble Space Telescope reveal that the central part of the Large Magellanic Cloud galaxy completes one rotation every 250 million years — the same time it takes the sun finish a lap around the core of our own Milky Way.
19 February 2014, 10:54 AM ET
The zoomed panel on this space wallpaper highlights the galaxy known as z8_GND_5296, which was recently confirmed to be the most distant galaxy known, hailing from only 700 million years after the Big Bang.
18 February 2014, 11:27 PM ET
How do you sense the world beyond a spacesuit's restrictions?
18 February 2014, 07:58 PM ET
Swimsuit-clad model Kate Upton dives and floats, not in water, but through the air for a new spread in Sports Illustrated. Upton flew on a Zero Gravity Corporation flight to model new bikini and one-piece fashions in weightlessness for Sports Illustrated'
14 February 2014, 05:44 PM ET
A full moon is rising for lovers on Valentine's Day and it will be a Snow Moon. If weather permits, look up on Friday (Feb. 14) to see the full moon shining brightly in the winter sky.
14 February 2014, 10:01 AM ET
When NASA's Cold Atom Lab reaches the International Space Station in 2016, it will create temperatures one ten billionth of a degree above absolute zero, allowing researchers to study the strange behavior of quantum mechanics.
14 February 2014, 09:50 AM ET
The $8 million PandaX (Particle and Astrophysical Xenon) dark-matter experiment — which lies 7,874 feet (2,400 meters) underground, inside a mountain made of marble — will be up and running early this year.
14 February 2014, 09:40 AM ET
Pretty much any asteroid that poses a threat to Earth can be blasted out of the heavens using a nuclear bomb, even with warning times of a week or less, say a team of scientists who have been developing the idea.
14 February 2014, 09:28 AM ET
Several hundred galaxies and the huge amounts of gas that permeate them are depicted in this space wallpaper, which shows the core of the Shapley Supercluster, the largest cosmic structure in the local Universe.