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.
07 December 2011, 06:01 AM ET
New images show a vampire star stealing material from its larger companion.
06 December 2011, 02:57 PM ET
Astronomers studied the young star B275 in the Omega Nebula.
05 December 2011, 01:06 PM ET
An International team of astronomers have come across two massive black holes - 10 billion times larger than the sun. Dunlap Institute for Astronomy and Astrophysics professor James Graham and Nicholas McConnell explain the discovery.
05 December 2011, 11:50 AM ET
The massive star lies approximately 160,000 light-years away from Earth.
05 December 2011, 07:00 AM ET
Astronomers have found two new star streams coming from a nearby dwarf galaxy.
01 December 2011, 04:46 PM ET
As a dwarf galaxy, in this case Sagittarius, falls into bigger galaxies (Milky Way), it has been known that tails of stars are pulled out of the dwarf by gargantuan tidal force. Astronomers have discovered 4 such streams emanating from Sagittarius.
30 November 2011, 04:35 PM ET
Astronomers studied 17 'abnormal' stars in our galaxy that are unusually rich in heavy chemical elements.
29 November 2011, 04:32 PM ET
The new findings cast doubt on potential detections of dark matter that were previously reported.
29 November 2011, 12:45 PM ET
The Fermi Gamma-Ray Space Telescope has detected intense radiation emitted from Cygnus X system stars that are forty times larger than our Sun. This data is giving astronomers a never before seen look at this amazing stellar nursery.