10 November 2010, 05:58 PM ET
NASA's WISE spacecraft has discovered a cold failed star that glows green and has a deadly atmosphere that is pretty stinky, too.
10 November 2010, 06:58 AM ET
A new image of a galactic pileup captures the vivid chaos of two colliding and merging galaxies, giving astronomers an excellent opportunity to study how these important processes influence the evolution of the universe.
09 November 2010, 04:39 PM ET
Scientists have detected two gigantic bubbles of high-energy radiation spilling out from the Milky Way's center that may have erupted from a supermassive black hole.
09 November 2010, 02:05 PM ET
The bar-shaped formations found near the center of many spiral galaxies — including our own Milky Way — may help kill the galaxies off, a new study suggests.
09 November 2010, 10:39 AM ET
Scientists have recently discovered a gigantic, mysterious structure in our galaxy - a pair of enormous gamma-ray emitting bubbles that may have been caused by an eruption from a super-sized black hole.
04 November 2010, 02:05 PM ET
Astronomers have discovered a hidden cache of ancient galaxies using space-time distortions known as 'gravitational lenses.'
03 November 2010, 02:51 PM ET
The young universe spiked a fever 1.5 billion years after the Big Bang, warming up as huge black holes poured out massive amounts of energy, a new study suggests.
01 November 2010, 06:51 PM ET
Saturn's rings shake and shimmy spontaneously like a miniature version of our own Milky Way galaxy, a new study suggests.
27 October 2010, 03:42 PM ET
Cage-like carbon molecules called buckyballs are common in outer space, upping the odds that they delivered to the early Earth key chemicals necessary for life, new research has found.
27 October 2010, 11:52 AM ET
Astronomers have created a time machine of sorts to project what part of the universe is going to look like 10,000 years into the future.
27 October 2010, 07:11 AM ET
Stunning new photos cut through obscuring clouds of dust and gas, showing six faraway spiral galaxies in all their glory.
27 October 2010, 06:28 AM ET
Astronomers have found the most massive neutron star yet measured.
26 October 2010, 06:54 PM ET
The Hubble Space Telescope has peered into a vast stellar nursery and snapped a photo of a newly born star.
26 October 2010, 03:30 PM ET
Starquakes are yielding new insights into the structure and evolution of stars, and should help astronomers understand the future of our own sun.
26 October 2010, 11:22 AM ET
From stellar fireworks caused by supernova explosions to invisible black holes, astronomers are gradually figuring out how stars work and what makes each variety unique. Many mysteries remain, however.
25 October 2010, 07:41 AM ET
Astronomers plan to hold a conference call with reporters Oct. 26 to discuss new discoveries about stars made using data from NASA's Kepler space telescope.
22 October 2010, 06:33 PM ET
Starting Oct. 21, the Local Air & Space Administration started selling mineral water infused with bits of the moon, Mars and faraway stars. SPACE.com caught up with LASA's director, conceptual artist Jonathon Keats, to chat about space, science and what i
22 October 2010, 12:56 PM ET
A huge, newly discovered alien planet and its two suns compel astronomers to rethink their theories about how gas-giant planets form, a new study suggests.
20 October 2010, 03:04 PM ET
An ancient galaxy has been discovered to be the farthest thing in space yet seen.
20 October 2010, 07:18 AM ET
Weird vacuum energy could trigger neutron stars to collapse or explode, a new study suggests.
18 October 2010, 06:41 PM ET
A star's last gasp at the final stage of its life has been frozen for all time in a new photo by the Hubble Space Telescope.
18 October 2010, 07:38 AM ET
It's always been tough for astronomers to weigh a star directly, but new research sketches out a good way to do it — as long as the planets (and moons) align.
14 October 2010, 02:54 PM ET
A new study finds the universe's most magnetic stars don't always need supercharged magnetic fields.
14 October 2010, 01:59 PM ET
A giant star in a faraway galaxy recently ended its life with a dust-shrouded whimper instead of the more typical bang.
14 October 2010, 11:50 AM ET
The most massive conglomeration of galaxies ever spotted in the early universe was recently discovered.
13 October 2010, 01:13 PM ET
Astronomers have been scratching their heads over how early galaxies pumped out so many baby stars.
12 October 2010, 08:08 AM ET
A galactic heat wave 11 billion years ago unleashed fierce blasts of radiation that altered how some galaxies formed, a new study finds.
11 October 2010, 02:56 PM ET
A tidal wave of data has begun crashing over astronomers' heads, and they'll have to up their game to avoid being swamped.
11 October 2010, 07:32 AM ET
In the early universe, the first stars may have been made not of regular matter, but of its mysterious cousin, dark matter.
06 October 2010, 01:08 PM ET
Star birth may cause cosmic turbulence in galaxies throughout the universe, a new study finds.
05 October 2010, 10:58 AM ET
A prolific NASA telescope mapping entire sky has run out of coolant, but has a new mission to find asteroids and comets.
29 September 2010, 08:41 AM ET
Autumn in the northern hemisphere brings skywatchers a new season of of deep sky objects.
24 September 2010, 07:55 AM ET
Gripped in the claw of the constellation Scorpius (the Scorpion), the reflective nebula DG 129 twinkles in a new image taken by NASA's Wide-field Infrared Survey Explorer.
23 September 2010, 02:05 PM ET
Huge collisions between galaxy clusters may spawn some of the fastest-moving, most energetic subatomic particles in the universe, a new study has found.
23 September 2010, 02:01 PM ET
Light from the clouds where stars and planets are born could soon reveal secrets about these mysterious formative regions, a new study suggests.
22 September 2010, 11:33 AM ET
When storms of charged particles rage on the sun, they don't always travel in a straight line, a new study finds.