28 August 2012, 04:23 PM ET
Most stars come in pairs. NASA's Kepler space telescope has now confirmed a pair of planets orbiting a pair of stars about 5000 light years from Earth. So we see their light from long, long ago; but not so far away (& very much within our own galaxy)
28 August 2012, 09:30 AM ET
The brightest planet and the largest star are just the start of the night's sky's extreme objects.
23 August 2012, 03:38 PM ET
Periodic nova eruptions from a binary star system is a sign of bigger trouble brewing. Red giant stars donate mass to their white dwarf companions until - over a critical mass - the dwarves destroy themselves in Type 1a supernova explosions.
23 August 2012, 01:02 PM ET
The two newfound galaxies are spirals with two large companion galaxies, just like our own Milky Way.
21 August 2012, 01:48 PM ET
Einstein's General Theory of Relativity predicts that in the 'big picture' of the universe, matter is scattered randomly. Australian astronomers conducted the largest ever survey of galaxies on this scale to prove that his theory was correct.
17 August 2012, 02:16 PM ET
This stunning space wallpaper shows the central region of a beautiful spiral galaxy, Messier 83.
16 August 2012, 02:15 PM ET
The clusters are located about 170,000 light-years away.
15 August 2012, 07:55 PM ET
This space wallpaper reveals an artist's impression of galaxy at center of Phoenix Cluster.
15 August 2012, 05:10 PM ET
Some key facts about the faraway cluster, which may be the most massive ever found.
15 August 2012, 01:22 PM ET
See images depicting the Phoenix galaxy cluster that is breaking several important cosmic records.
15 August 2012, 01:00 PM ET
A distant galaxy cluster is smashing records left and right.
14 August 2012, 05:23 PM ET
How do scientists know the shape of the Milky Way when we can only see it from the inside?
14 August 2012, 07:00 AM ET
Scientists discovered a pulsar that is fleeing rapidly from the supernova that birthed it.
10 August 2012, 01:15 PM ET
Dark clouds of dust, called globules, are silhouetted against nearby, bright stars in this space wallpaper. Little is known about the globules, except that they are generally associated with areas of star formation.
09 August 2012, 07:00 AM ET
The map could help crack the mystery of dark energy and dark matter.
08 August 2012, 07:57 PM ET
Nearly 400,000 galaxies are represented in an animation derived from the Sloan Digital Sky Survey (SDSS) data release 7. Miguel Arago and Alex Szalay of John Hopkins University and Mark Subbarao of the Adler Planetarium created this amazing view.
06 August 2012, 07:00 AM ET
A star in the process of being gobbled by a black hole is letting of dying screams.
01 August 2012, 06:01 AM ET
The photo is the most detailed ever taken of the spiral galaxy NGC 1187.
26 July 2012, 02:01 PM ET
The results have implications for how astronomers understand the evolution of galaxies.
26 July 2012, 11:12 AM ET
A weird pulsar appeared to "hiccup," causing its rotation to speed up.
25 July 2012, 07:00 AM ET
Astronomers found four pairs of stars that orbit each other in less than four hours.
18 July 2012, 01:01 PM ET
The galaxy, which looks a lot like our own Milky Way, is about 10.7 billion years old.
12 July 2012, 07:00 AM ET
The protostar is located 1,300 light-years away in a busy nebula in the constellation of Orion.
11 July 2012, 07:01 AM ET
Dark galaxies are small, gas-rich objects from the early universe.
05 July 2012, 11:44 AM ET
This Hubble Space Telescope composite image shows a ghostly "ring" of dark matter in the galaxy cluster Cl 0024+17 in this stunning space wallpaper.
04 July 2012, 03:36 PM ET
In this space wallpaper, using ESO's Very Large Telescope, an international team of astronomers has discovered a stunning rare case of a triple merger of galaxies.
03 July 2012, 10:31 AM ET
Resembling a Fourth of July skyrocket, Herbig-Haro 110 is a geyser of hot gas from a newborn star that splashes up against and ricochets off the dense core of a cloud of molecular hydrogen in this cool space wallpaper.
02 July 2012, 11:55 AM ET
This very detailed space wallpaper from ESO’s Very Large Telescope shows the dramatic effects of very young stars on the dust and gas from which they were born in the star-forming region NGC 6729.
26 June 2012, 01:01 PM ET
The galaxy cluster is located 10 billion light-years away.
26 June 2012, 11:21 AM ET
The survey will accurately catalog many faint stars for the first time.
20 June 2012, 01:01 PM ET
The very first stars would have behaved differently because of dark matter.
20 June 2012, 06:01 AM ET
The spectacular scene was captured by the European Southern Observatory's Very Large Telescope.
19 June 2012, 04:31 PM ET
Our home in space is a vast galaxy containing 400 billion suns, at least that many planets, and a 4-billion-solar-mass black hole at the center.
14 June 2012, 07:00 AM ET
Astronomers have found the farthest galaxy yet.
13 June 2012, 01:52 PM ET
This cool space wallpaper shows an artist conception of a newly formed star surrounded by a swirling protoplanetary disk of dust and gas, where debris coalesces to create rocky 'planetesimals' that collide and grow to eventually form planets.
13 June 2012, 01:51 PM ET
The artist conception shows a newly formed star surrounded by a swirling protoplanetary disk of dust and gas. Debris coalesces to create rocky 'planetesimals' that collide and grow to eventually form planets.