29 April 2013, 12:45 AM ET
This thin, glittering streak of stars seen in this space wallpaper is the spiral galaxy ESO 121-6, which lies in the southern constellation of Pictor (The Painter's Easel).
26 April 2013, 04:45 PM ET
NASA's Solar Dynamics Observatory has been watching the sun for three years.
26 April 2013, 11:01 AM ET
NASA's Messenger and Stereo-A space probes were not affected by three back-to-back solar storms, scientists say.
26 April 2013, 10:54 AM ET
The name won a contest organized by space-funding company Uwingu.
26 April 2013, 10:47 AM ET
NASA's 2014 would effectively cut planetary science funding by more than $200 million.
25 April 2013, 04:06 PM ET
A binary star system showed the distinctive ripples in space time that Einstein's general theory of relativity predicted
25 April 2013, 01:55 PM ET
A dark bean-shaped cloud in the center of our galaxy is the focus of some curious researchers.
25 April 2013, 10:16 AM ET
Starburst galaxies create an intense galactic wind that affects future star formation.
25 April 2013, 10:07 AM ET
This stunning space wallpaper reveals W3, which is an enormous stellar nursery about 6200 light-years away in the Perseus Arm, one of the Milky Way galaxy’s main spiral arms, that hosts both low- and high-mass star formation.
25 April 2013, 09:59 AM ET
The three solar eruptions may deal a glancing blow to NASA's Messenger spacecraft at Mercury.
24 April 2013, 03:23 PM ET
The names still have to be accepted by the International Astronomical Union.
24 April 2013, 03:15 PM ET
Astronomers hope the iconic telescope lasts through 2020.
24 April 2013, 03:03 PM ET
Two Antarctic meteorites contain sand grains that likely come from a single supernova.
23 April 2013, 11:40 PM ET
This ghostly space wallpaper shows an object known as HH 151, a bright jet of glowing material trailed by an intricate, orange-hued plume of gas and dust.
23 April 2013, 07:37 PM ET
The galaxy is turning almost all its gas into baby stars.
23 April 2013, 04:29 PM ET
Hubble snapped the new photos on April 10, when Comet ISON was 386 million miles from the sun.
22 April 2013, 06:31 PM ET
Astronomers start a month-long campaign to observe the ringed beauty of a planet.
22 April 2013, 06:23 PM ET
Mars One will do its best to avoid disturbing potential Red Planet life.
22 April 2013, 02:30 PM ET
A bold Mars flyby slated for 2018 will make its closest approach on Mars' night side.
21 April 2013, 11:34 PM ET
The object in this fascinating space wallpaper is Jonckheere 900 or J 900, a planetary nebula — glowing shells of ionised gas pushed out by a dying star.
21 April 2013, 02:32 PM ET
The annual Lyrid shower will peak in the late night hours of Sunday (April 21) and early Monday (April 22).
19 April 2013, 01:58 PM ET
It's time to get the ball rolling toward studying exoplanet atmospheres.
19 April 2013, 01:48 PM ET
The telescope's image shows the famous Horsehead Nebula in a whole new light.
19 April 2013, 10:20 AM ET
Experts say mechanical difficulties of hanky-panky are the least of their worries.
19 April 2013, 08:52 AM ET
Mice, gerbils, lizards and snails are part of the cosmic menagerie that is Russia's Bion-M1 mission.