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.
19 April 2013, 08:43 AM ET
This space wallpaper is a mosaic showing part of the Noctis Labyrinthus region, the ‘Labyrinth of the Night’, on Mars. It was composed by Bill Dunford using scenes available in the Mars Express image archive, HRSC view.
18 April 2013, 02:55 PM ET
Possible water worlds could support life.
18 April 2013, 02:24 PM ET
Massive planets orbiting a distance star aren't as expected.
18 April 2013, 01:53 PM ET
A planetary system 1200 light years from Earth may contain two worlds entirely covered by global oceans. Kepler 62e and 62f are in the habitable zone of a roughly Sun-like star. Each planet is slightly larger than Earth.
18 April 2013, 10:18 AM ET
Check out views of the sun from the online Slooh Space Camera in a webcast Thursday.
17 April 2013, 03:06 PM ET
The famed cosmologist discussed the origin of the universe during a lecture at Caltech Tuesday night.
17 April 2013, 02:59 PM ET
An ancient galaxy is churning out stars nearly 20 times as fast as its modern equivalents.
17 April 2013, 02:51 PM ET
A new photo released by ESO shows fertile galaxies in a new light.
17 April 2013, 11:19 AM ET
The new Antares rocket is set for a 5 p.m. EDT lift-off.
16 April 2013, 10:35 PM ET
This amazing space wallpaper reveals 30 Doradus, which is the brightest star-forming region in our galactic neighborhood and home to the most massive stars ever seen.
16 April 2013, 01:54 PM ET
New findings from a NASA moon probe could lead to safer, more efficient spacecraft.
16 April 2013, 01:46 PM ET
Some supergiants release intense amounts of radiation when they die, and scientists may have figured out the cause.
16 April 2013, 10:48 AM ET
Experiments done in microgravity are revealing new insights about cell behavior.