19 October 2011, 06:01 AM ET
The European VISTA telescope has found two clusters of ancient stars in our Milky Way galaxy.
12 October 2011, 12:37 PM ET
See 65 stunning photos of galaxies across the universe.
12 October 2011, 06:01 AM ET
Astronomers have created a timeline for the age of re-ionization in the universe for the first time.
11 October 2011, 02:28 AM ET
Skywatchers shoot remarkable image of Earth’s gibbous moon captured in the hands of an observer holding tissue paper.
07 October 2011, 07:26 AM ET
French skywatching enthusiast Thierry Legault captured a brilliant deep-sky image of the Pinwheel Galaxy.
29 September 2011, 08:39 AM ET
With its high powered eyes directed toward dwarf irregular galaxy Holmberg II, the space telescope viewed the remnants of a supernova explosion whose shock waves created glowing bubble-like gas features.
28 September 2011, 06:00 AM ET
Europe's Very Large Telescope is taking the most important meal of the day very seriously: Scoping out the constellation Scorpius, the VLT has found a yellow hypergiant star and its double shell of dust. It resembles a fried egg.
16 September 2011, 09:28 AM ET
Astrophysicists explain how their space-based observatory collected the data that allowed them to reveal the twin sun-orbiting planet Kepler 16-b. It has been nicknamed "Tatooine" after the Star Wars saga's double sun planet.
13 September 2011, 04:03 PM ET
The Chandra Observatory has witnessed the CoRoT-2a star blasting x-rays at its poor neighbor at a rate hundred's of thousands of times more powerful than Earth receives from the Sun. The planet is dissipating 5 million tons of matter every second.
12 September 2011, 12:01 PM ET
Astronomers using Europe's HARPS telescope have discovered 50 new exoplanets orbiting nearby stars - including these 16 super-Earths, one of which lies within its star's habitable zone.
07 September 2011, 03:30 PM ET
Find out why stars twinkle, how it effects Earth-based skywatching, past and present laser technologies used to counteract the effect and the future implementation of that tech on Europe's Extremely Large Telescope.
31 August 2011, 01:01 PM ET
The find could help astronomers understand galaxy and black hole mergers.
19 August 2011, 09:28 PM ET
Check out a galaxy that glows green from within, a big splash at NASA and Stephen Colbert goes nuts for space.
17 August 2011, 01:01 PM ET
A massive "blob" of glowing gas is illuminated by bright galaxies inside, according to a new study.
13 August 2011, 02:49 AM ET
Check out a bright solar flare, colliding galaxies, a meteor shower and a stunning view of New York.
12 August 2011, 09:09 AM ET
A giant cosmic necklace glows brightly in a newly released image from the Hubble Space Telescope.
11 August 2011, 04:32 PM ET
The Chandra X-ray Observatory has captured galaxies VV 340 North and VV340 South at the early stages of their merge, an interaction that will take millions of years. This cosmic punctuation mark is located about 450 million light years from Earth.
29 July 2011, 01:47 PM ET
Over 16,000 feet up in the Chilean Andes, a multi-national group is constructing a complex antenna that could revolutionize our understanding the origins of the universe.
28 July 2011, 07:00 AM ET
Dark matter could help life evolve and survive on distant worlds outside of our solar system, a new study says.
27 July 2011, 06:01 AM ET
The three galaxies that make up the Leo Triplet are located about 35 million light-years away from Earth.
22 July 2011, 05:53 PM ET
Galaxy IC 342's delicate pattern of dust looks like a spider's web swirled into a spiral.
20 July 2011, 02:49 PM ET
Three astronomers explain how the Space Telescope can peer back into the early universe, detecting which galaxies are moving toward – and which away from – us.
20 July 2011, 09:40 AM ET
Deep inside star cluster NGC 1929 – a satellite galaxy of the Milky Way – winds from young stars and shockwaves from supernova explosions are carving a bubble-like structure 325 x 250 light year across. The stellar material glows colorfully.
11 July 2011, 03:12 PM ET
Observations of Cepheus B, a cloud of hydrogen 2,400 light years from Earth, is proving that more new stars are born through radiation emissions than previously thought.
01 July 2011, 11:29 PM ET
From the brightest object ever found to private space taxis, it was a busy week in space.
30 June 2011, 07:28 PM ET
Accelerated high energy particles produced a series of stripes in the remnants of the Tycho supernova. Chandra X-ray Telescope revealed this feature, showing an expanding bubble of superheated debris.
28 June 2011, 02:13 PM ET
Gas from a supergiant star was swallowed into a neighboring neutron star's gravity field, superheating the gas and producing a flare lasting 4 hours. XMM-Newton space observatory witnessed the IGR J18410-0535 system event. (Video: art. impression)
23 June 2011, 10:46 AM ET
Within the Orion constellation lies the red supergiant star Betelgeuse and its colorful flame-like nebula. Zoom into the new infrared image from the European Southern Observatory's Very Large Telescope of the dying star.
23 June 2011, 08:01 AM ET
The planets Venus, Jupiter, Mars are shining bright at dawn in the northeastern sky.
23 June 2011, 06:01 AM ET
The nebula stretches about 37 billion miles away from its parent star's surface.
22 June 2011, 01:26 PM ET
Look into the violent history of galaxy cluster Abel 2744, which includes a cosmic throw down that lasted a period of 350 million years.
21 June 2011, 08:37 AM ET
18th century observer Charles Messier only cared for comets, yet he's remembered for his catalogue of stars and clusters.
17 June 2011, 11:50 AM ET
A supermassive black hole in the galaxy GRS 1915+105 spins and swallows stellar material with an even rhythmic pattern, the Chandra X-ray observatory has discovered.
17 June 2011, 08:00 AM ET
A new photo from the Hubble Space Telescope shows our dusty neighbor galaxy Centaurus A in bright and brilliant detail.
16 June 2011, 02:01 PM ET
Did a massive black hole in a distant galaxy devour a star that wandered too close, producing a bright jet pointed at Earth?
16 June 2011, 06:00 AM ET
A glowing ring spotted in space seems at first more like superhero fiction than science fact.