14 March 2012, 07:01 AM ET
New observations support the idea that galaxies expel gas and then suck it back in to create baby stars.
14 March 2012, 07:01 AM ET
A new survey of distant galaxies provides new clues about how these cosmic objects evolved.
08 March 2012, 11:15 AM ET
This cool space wallpaper shows a massive, young stellar grouping, called R136, is only a few million years old and resides in the 30 Doradus Nebula, a turbulent star-birth region in the Large Magellanic Cloud, a satellite galaxy of the Milky Way.
07 March 2012, 06:01 AM ET
The Hercules cluster is unlike many other neighboring galaxy groups.
05 March 2012, 04:14 PM ET
This stunning space wallpaper reveals the natural-color image of the galaxies was taken with NASA's Hubble Space Telescope and with the Canada-France-Hawaii Telescope in Hawaii.
01 March 2012, 04:41 PM ET
Infrared observations of the Orion nebula show young stars as they mature into adulthood.
29 February 2012, 04:51 PM ET
Stars make their own light, but not planets.
28 February 2012, 03:33 PM ET
These outflows could shape the growth of black holes and dictate star formation in their host galaxies.
24 February 2012, 09:26 AM ET
This mind-bending look at our day and night sky – including some auroras – was cut together by Randy Halverson (Dakotalapse.com). The score was composed by Bear McCreary (Battlestar Galactica, The Walking Dead, Eureka, etc.).
24 February 2012, 06:08 AM ET
The galaxies are said to be in a smooth, curved line making them appear to be connected in a chain.
23 February 2012, 01:07 PM ET
The extremely bright X-ray source in the Andromeda galaxy was first detected in late 2009.
08 February 2012, 06:01 AM ET
The Carina nebula is home to several of the brightest and most massive known stars.
03 February 2012, 07:00 AM ET
A galaxy similar to our own Milky Way is the subject of Hubble's latest portrait.
02 February 2012, 02:01 PM ET
Twirling stars called pulsars may blast material out into space to break their spins.
02 February 2012, 10:01 AM ET
The planet is located in the "sweet spot" of its parent star's habitable zone.
01 February 2012, 07:00 AM ET
The spectacular new image was captured by one of the telescopes at the La Silla Observatory in Chile.
26 January 2012, 07:00 AM ET
New types of variable stars were discovered from old photographic plates.
25 January 2012, 06:01 AM ET
Astronomers found a link between active starburst galaxies in the early universe to giant elliptical galaxies we see today.
19 January 2012, 06:01 AM ET
The new image shows the Helix Nebula, an odd structure 700 light-years from Earth.
19 January 2012, 05:57 AM ET
Europe's Vista Telescope has revealed the nebula in stunning infrared detail bringing to life the visible imagery provided by their MPG/ESO 2.2-metre telescope. Strands of cold nebular gas and a vibrant background of stars/galaxies can now be seen.
18 January 2012, 05:05 PM ET
A network of radio telescopes could provide a picture of our galaxy's central black hole.
15 January 2012, 02:00 PM ET
Saturn, the moon and the star Spica will form a triangle in the night sky.
13 January 2012, 07:00 AM ET
Several different instruments watched the dramatic event unfold.
11 January 2012, 04:37 PM ET
Planets around stars are the rule rather than the exception in this space wallpaper.
11 January 2012, 01:01 PM ET
Astronomers have solved the puzzle of the companion that, along with a white dwarf, causes a Type 1a supernova.
10 January 2012, 12:52 PM ET
The five-galaxy protocluster is 13.1 billion light-years away.
10 January 2012, 10:14 AM ET
Milky Way Galaxy's Past Revealed Through New Star Census
20 December 2011, 01:03 PM ET
NASA's Kepler mission has detected two worlds, one slightly smaller and one almost the same size as Earth. This is the first time that Earth-sized planets have been confirmed orbiting another star.
15 December 2011, 01:19 PM ET
The bipolar star-forming region, called Sharpless 2-106, or S106 for short, looks like a soaring, celestial snow angel in this cool space wallpaper.
15 December 2011, 09:01 AM ET
The S106 nebula contains vast clouds of gas that resemble outstretched wings.
15 December 2011, 08:57 AM ET
Now in its final stages of formation, a star named S106 IR is disrupting and illuminating nearby gas and dust clouds in a shape resembling a snow angel. The Hubble Space Telescopes Wide Field Camera 3 captured the image.
15 December 2011, 06:01 AM ET
A European telescope has snapped a stunning photo of the spiral galaxy NGC 253.
15 December 2011, 06:00 AM ET
Europe's VLT Survey Telescope has snapped a brilliant image of galaxy NGC 253. Located about eleven and a half million light-years away in the constellation Sculptor, it is one of the brightest galaxies in the night sky visible with binoculars.
08 December 2011, 07:00 AM ET
A cluster of supermassive stars within a surrounding shell of gas resembles a dragonfish.
07 December 2011, 01:01 PM ET
Seismic shivers inside stars reveal their innards are spinning surprisingly fast.
07 December 2011, 12:57 PM ET
More than 5 times larger than our Sun, a red giant's core rotates 10 times faster than its surface. This time-lapsed animation shows an entire years rotation in 60 seconds.