13 March 2013, 07:38 AM ET
The NASA/ESA Hubble Space Telescope took this striking space wallpaper of the planetary nebula NGC 5189. The intricate structure of the stellar eruption looks like a giant and brightly coloured ribbon in space. This image was released Dec. 18, 2012.
12 March 2013, 01:45 PM ET
A rock sample collected by Mars rover Curiosity revealed ancient Mars could have supported microbes.
12 March 2013, 12:43 PM ET
Solar sailing holds promise for interstellar flight, though daunting challenges must be overcome.
12 March 2013, 12:34 PM ET
When finished, the ALMA observatory in Chile will see protoplanets being born, researchers say.
12 March 2013, 10:05 AM ET
The moon maybe the perfect guide to spot Comet Pan-STARRS in the night sky on Tuesday night (March 12).
12 March 2013, 09:36 AM ET
Even if the mini monsters were created, they'd be destroyed before gobbling anything up.
11 March 2013, 05:34 PM ET
The violent shaking during the Tohoku earthquake two years ago today sent acoustic waves into space.
11 March 2013, 11:39 AM ET
This space wallpaper combines Hubble observations of M 106 with additional information captured by amateur astronomers Robert Gendler and Jay GaBany. Gendler combined Hubble data with his own observations to produce this stunning color image.
11 March 2013, 11:09 AM ET
The first spacecraft to orbit Mercury will have to shut down soon, unless it gets a mission extension.
11 March 2013, 11:01 AM ET
The January incident is the fourth known case of an active satellite being struck by orbital debris.
11 March 2013, 10:50 AM ET
The asteroids included small space rocks and one asteroid the size of a city block, all of them discovered just days ago.
11 March 2013, 10:40 AM ET
We have yet to detect a signal from an alien civilization -- so scientists are thinking up novel (and often extreme) ways we may make first contact.
11 March 2013, 01:13 AM ET
Abell 68, pictured in this stunning space wallpaper here in infrared light, is a galaxy cluster.
11 March 2013, 01:03 AM ET
In this space wallpaper, a Landsat image from July 19, 2011 shows Lake Powell, a reservoir on the Colorado River in the southwestern United States.
10 March 2013, 07:10 PM ET
The Russian nanosatellite was struck on Jan. 22 by space junk from China's 2007 anti-satellite weapon test.
10 March 2013, 06:47 PM ET
Impacts may have delivered the complex molecules needed for life to get started.
10 March 2013, 06:28 PM ET
The space-based telescope is expected to exhaust its vital supply of liquid coolant in the coming weeks.
08 March 2013, 04:12 PM ET
A new observatory is opening high in Chile's Atacama desert.
08 March 2013, 02:51 PM ET
A ceremony in Chile March 13 will celebrate the opening of the ALMA array.
08 March 2013, 02:34 PM ET
This 'Methuselah star' looks like it is 14.5 billion years old, which is impossible, scientists say.
08 March 2013, 02:24 PM ET
NASA's Mars Reconnaissance Orbiter used radar to find the underground Martian channels.
08 March 2013, 01:51 PM ET
A new way of researching supernovas could lead to a quicker way of understanding their origins.
07 March 2013, 11:22 AM ET
The solar outburst is complicating efforts to bring Curiosity back from a computer glitch.
07 March 2013, 11:12 AM ET
The last piece of cargo was unloaded from the Dragon space capsule today.
07 March 2013, 11:07 AM ET
What is usually a two-day journey will be shortened to just six hours.