29 April 2014, 10:50 PM ET
Acquired on April 13, 2014 this space wallpaper shows a transect over the northern part of the Antarctica Peninsula. It was acquired in the satellite’s ‘strip map’ mode with a swath width of 80 km and in dual polarization.
29 April 2014, 03:10 PM ET
Astrophotographer Dora Miller sent in these photos of a spectacular northern lights show over Alaska on April 20. See what it felt like to see the dazzling aurora display.
28 April 2014, 10:44 PM ET
Astronomers using ESO’s Very Large Telescope in Chile have captured this eye-catching space wallpaper of planetary nebula Abell 33.
28 April 2014, 02:20 PM ET
A group of female scientists is responsible for completely changing the way humans understand the stars of the night sky.
28 April 2014, 10:21 AM ET
Star-hop Virgo, Coma Berenices, and Canes Venatici to find the Whirlpool (M51), Sombrero (M104) and Black Eye (M64) galaxies. Find out how where to look in your night sky. Skywatching Guide: http://goo.gl/uETMG9
26 April 2014, 06:20 AM ET
After a few weeks of male-dominated story lines, Sunday's episode of "Cosmos: A Spacetime Odyssey" will honor two women who changed the way scientists understand star stuff, with the help of actresses Kirsten Dunst and Marlee Matlin.
23 April 2014, 11:38 PM ET
This stunning space wallpaper shows a patch of sky from the COSMOS survey, as viewed by XMM-Newton. COSMOS is a project studying how galaxies form and evolve, gathering observations using a variety of ground- and space-based telescopes.
23 April 2014, 02:50 PM ET
Two Michigan-based photographers, Terry Hancock of Fremont and Robert Fields of Howell Township, captured this brilliant image of three nebulas and a star cluster on April 11. See how they did it.
22 April 2014, 11:32 PM ET
This space wallpaper of a galaxy cluster taken by the NASA/ESA Hubble Space Telescope gives a remarkable cross-section of the Universe, showing objects at different distances and stages in cosmic history.
22 April 2014, 06:16 AM ET
The Milky Way is a spiral galaxy — but what exactly does it look like? Does it have two, four, or more arms? Astronomers think that now they’re one step closer to the answer.
15 April 2014, 10:48 PM ET
This beautiful space wallpaper, taken during a time lapse set at the Atacama Large Millimeter/submillimeter Array (ALMA) is another dramatic Ultra High Definition photograph from the ESO Ultra HD Expedition.
14 April 2014, 10:32 PM ET
This space wallpaper was acquired by the satellite's onboard camera on 4 April, just hours after Sentinel-1A entered orbit on April 3, 2014. It shows the top side of one of two deployed solar array wings as well as part of the radar antenna.
14 April 2014, 12:14 AM ET
This space wallpaper from the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in Chile shows a contrasting pair of galaxies: NGC 1316, and its smaller companion NGC 1317 (right).
10 April 2014, 10:40 PM ET
This space wallpaper is a Hubble Space Telescope image of ‘El Gordo,’ which is the nickname given to the most massive cluster of galaxies ever seen to exist when the universe was just half of its current age of 13.8 billion years.
08 April 2014, 11:29 PM ET
This cool space wallpaper is a radar image from the Cassini orbiter showing dark streaks carved into dunes on Saturn’s moon Titan.
08 April 2014, 02:20 PM ET
Veteran astrophotographer A. Garrett Evans of central New Hampshire endured the bitter cold of York, Maine, on March 3 to take this stunning panorama of the Milky Way galaxy and Venus.
06 April 2014, 08:22 AM ET
New measurements by NASA's Hubble Space Telescope suggest that the cluster nicknamed "El Gordo" (Spanish for "the fat one") contains about as much mass as 3 quadrillion suns. That's 43 percent larger than previous work had estimated.
03 April 2014, 12:17 AM ET
This space wallpaper is a collage of galaxies in the Herschel Reference Survey at infrared/submillimetre wavelengths by Herschel (left) and at visible wavelengths from the Sloan Digital Sky Survey (SDSS, right).
02 April 2014, 12:20 AM ET
This space wallpaper is an artist's concept depicting NASA's Voyager 1 spacecraft entering interstellar space, or the space between stars.
01 April 2014, 02:18 AM ET
Astronomers say there are 100 billion to 200 billion galaxies in the universe. But accurately counting the number of galaxies depends on several factors.
01 April 2014, 12:41 AM ET
This colorful space wallpaper is a radar composite image shows changes in large-scale agricultural plots in southwest Iran. The image was released March 28, 2014.
31 March 2014, 03:20 PM ET
The constellations of Ursa Major (the ‘Big Dipper') and Leo hold a bevy of skywatching goodness this month. Find out how to see the 'Leo Tripet’ of galaxies, plus the double star systems of Mizor and Alcor, and more.
28 March 2014, 02:34 PM ET
HR 5171, the brightest star just below the center of this stunning space wallpaper, is a yellow hypergiant, a very rare type of stars with only a dozen known in our galaxy.
28 March 2014, 11:45 AM ET
The central black holes in dwarf galaxies — the "seeds" that grow into the monsters at the core of the Milky Way and other large galaxies — are probably surprisingly weighty, containing 1,000 to 10,000 times the mass of our sun, a new study reports.
27 March 2014, 09:56 AM ET
This stunning space wallpaper is an artist's illustration showing what the rings surrounding the asteroid Chariklo may look like from a distance.
26 March 2014, 07:20 PM ET
This space wallpaper is an orbit diagram for the outer solar system. The sun and terrestrial planets are at the center. The orbits of the four giant planet Jupiter, Saturn, Uranus and Neptune are shown by purple solid circles.
25 March 2014, 05:01 PM ET
A distant spiral galaxy is leaving behind much of its gas as it shoves its way through its parent galactic cluster. The result will be fatal, as the galaxy will lose most of the fuel it requires for star formation.
25 March 2014, 02:46 PM ET
This 360-degree mosaic panorama of the Milky Way was taken over ten years by the Spitzer Space Telescope.
25 March 2014, 02:27 PM ET
Sandstone layers with varying resistance to erosion are evident in this space wallpaper recorded by the Mast Camera on NASA's Curiosity Mars rover on Feb. 25, 2014, about one-quarter mile (about 400 meters) from a planned waypoint called "the Kimberley."
25 March 2014, 02:25 PM ET
After 10 years capturing 2 million infrared snapshots of our galaxy using the Spitzer Space Telescope, NASA has created a 360-degree panoramic view of our galaxy, showing stars from across the 100,000 light years of the milky way.
24 March 2014, 12:56 PM ET
Two pairs of Saturn’s moons make a rare joint appearance in this amazing space wallpaper.
21 March 2014, 11:22 AM ET
This stunning space wallpaper is a color composite of the unusual polar ring galaxy NGC 4650A. The image was created from data from the new MUSE instrument on ESO’s Very Large Telescope.
21 March 2014, 09:43 AM ET
A new innovative instrument called MUSE (Multi Unit Spectroscopic Explorer) has been successfully installed on ESO's Very Large Telescope (VLT) at the Paranal Observatory in northern Chile. See the amazing photos here.
20 March 2014, 02:20 PM ET
To celebrate its 24th year in orbit, the NASA/ESA Hubble Space Telescope has released this beautiful space wallpaper of part of NGC 2174, also known as the Monkey Head Nebula.
20 March 2014, 06:00 AM ET
The weather did not cooperate for night owls hoping to see a rare celestial sight in the wee hours of Thursday morning (March 20). Skywatchers stayed up late hoping to see the huge asteroid 163 Erigone pass in front of the bright star Regulus.
19 March 2014, 06:36 PM ET
This spectacular space wallpaper is a mosaic from NASA's Lunar Reconnaissance Orbiter showcasing the north pole in high resolution. The images run from 60 to 90 degrees north latitude, with a resolution of 6.5 feet (2 meters) per pixel.