06 June 2012, 06:58 AM ET
A galaxy whose light has taken 13 billion years to reach us has been sighted.
04 June 2012, 07:58 PM ET
Research suggests that the CID-42 galaxy collided with another galaxy, their black holes merged and ejected out of the newly formed star system at astonishing speeds. Albert Einstein predicted that this phenomenon is caused by gravitational waves.
31 May 2012, 03:26 PM ET
Our galaxy will slam into the similar-sized Andromeda, merging to form a single hybrid galaxy.
31 May 2012, 01:34 PM ET
See how the sky will look when our Milky Way galaxy crashes into the Andromeda galaxy.
30 May 2012, 04:40 PM ET
ESO Photo Ambassador Babak Tafreshi snapped this remarkable image of the antennas of the Atacama Large Millimeter/submillimeter Array (ALMA), set against the splendour of the Milky Way in this space wallpaper.
30 May 2012, 01:00 PM ET
The study should help astronomers understand how galaxies evolve.
29 May 2012, 02:47 PM ET
Researchers will reveal details of the great collision awaiting the Milky Way.
23 May 2012, 01:45 PM ET
Researchers are trying to understand the origins of the beautiful planetary nebula Sharpless 2-71.
22 May 2012, 02:36 PM ET
This cool space wallpaper shows a bow shock is created in space when two streams of gas collide.
22 May 2012, 02:02 PM ET
This cool space wallpaper shows an outflow of gas from a new star as it jets from a space object dubbed IRAS 21078+5211.
16 May 2012, 06:01 AM ET
The elliptical Centaurus A galaxy is located about 12 million light-years away.
14 May 2012, 04:14 PM ET
Galaxies are composed of stars, dust, and dark matter, all held together by gravity. They come in a variety of shapes, sizes, and ages.
10 May 2012, 06:00 AM ET
A miniscule globular cluster of stars has been found orbiting our galaxy.
09 May 2012, 06:00 AM ET
A new picture shows about 100,000 stars in a globular cluster called Messier 55.
08 May 2012, 03:42 PM ET
The uninhabitable Planet 55 Cancri E is about double the size of Earth and was discovered in 2004. Capturing infrared light (Spitzer's specialty) from a small planet beyond our solar system is a big stepping stone in the search for life.
02 May 2012, 02:12 PM ET
Astronomers have seen evidence that a supermassive black hole 2.7 billion light years away has shredded a star. In this visualization, some of the murdered star's debris falls into the void, but some is spun up and shot out at high velocities.
02 May 2012, 07:00 AM ET
A new study challenges the existence of dark matter in the universe.
02 May 2012, 06:01 AM ET
The Messier 78 nebula is located just north of Orion's Belt.
01 May 2012, 12:59 PM ET
Modern constellations were invented to fill up some of the large gaps in the sky filled with dim stars.
25 April 2012, 02:31 PM ET
A new photo from the Spitzer Space Telescope shows a whole new side of the galaxy.
25 April 2012, 06:01 AM ET
The NGC 6604 star cluster is located in the constellation of Serpens (The Serpent).
13 April 2012, 11:15 AM ET
Within the constellation of Piscis Austrinus lies the star Fomalhaut. It is surrounded by a huge disc of dust - creating its comparison to 'the Eye' made famous by the Lord of the Rings trilogy. Europe'e ALMA telescope captured this intimate view.
11 April 2012, 01:01 PM ET
New observations help clear up the mysterious ways red giant stars shrivel up.
09 April 2012, 05:03 AM ET
Amateur astrophotographers took these pictures of the glorious night sky.
06 April 2012, 03:58 PM ET
Centaurus A likely formed when a spiral galaxy and an elliptical galaxy merged.
06 April 2012, 07:00 AM ET
The galactic monsters devour one star in a binary system and eject the other one.
03 April 2012, 07:00 AM ET
Researchers joined up five radio telescopes, three in Australia and two in South Korea.
02 April 2012, 11:43 AM ET
April 2012 witnesses Saturn at opposition, a crescent-phase Venus, the Lyrid Meteor Shower – where up 20 meteors per hour may be seen– and, for those with telescopes and dark skies, the Leo Triplet galaxies.
30 March 2012, 02:13 PM ET
NASA's NuSTAR mission will peer through the dust and gas to see what what lies in the centers of other galaxies.
30 March 2012, 10:46 AM ET
NASA's Kepler Mission, a space-based telescopic camera, has discovered planets orbiting stars beyond our Sun. Though an Earth-like planet in the "Goldilocks Zone" hasn't yet been positively identified, astronomers believe it's just a matter of time.
28 March 2012, 08:01 PM ET
The new photo captures perhaps 1 percent of our galaxy's stars.
27 March 2012, 07:01 AM ET
NASA's Spitzer Space Telescope is designed to study objects in infrared light.
21 March 2012, 07:01 AM ET
The new image shows more than 200,000 galaxies that each contains billions of stars.
16 March 2012, 06:01 AM ET
The globular cluster at the center of our galaxy contains stars twice as old as the sun.
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.