05 January 2010, 11:45 AM ET
New Spitzer telescope image shows star life cycle in the Small Magellanic Cloud.
04 January 2010, 02:13 PM ET
A nearby white dwarf star could explode as supernova closer to our solar system than thought.
04 January 2010, 10:36 AM ET
NASA Kepler mission finds five exoplanets with very low densities, observes starquakes.
24 December 2009, 08:37 AM ET
The leftovers from stellar explosions are like fingerprints that could provide information about how the stars exploded.
23 December 2009, 01:07 PM ET
Some stars rely on vampirism to suck the life out of a companion star, while others are rejuvenated in cosmic collisions.
21 December 2009, 08:21 AM ET
Mysterious dark matter may have helped the earliest stars shine.
18 December 2009, 10:25 AM ET
Super-powerful galactic overlords rearrange the contours of space itself in their local neighborhoods. Their blast-waves heat up - and hollow out - hundreds of thousands of light years of interstellar space.
18 December 2009, 10:18 AM ET
Which came first: Galaxies? Or the big black holes at their centers? Evidence from the Hubble Space Telescope's Deep Field images is persuasive.
16 December 2009, 12:32 PM ET
The Herschel telescope has captured the first view inside the dark cloud at the heart of the Eagle Nebula.
15 December 2009, 03:51 PM ET
The Hubble Space Telescope has captured a festive view of the cosmos in time for the holiday season, with some saying the picture of a star nursery looks like a wreath, maybe a Christmas tree, or even Santa.
11 December 2009, 04:51 PM ET
The first images from VISTA (the Visible and Infrared Survey Telescope for Astronomy) rival the most striking photos of the cosmos taken from any observatory.
11 December 2009, 10:40 AM ET
A distant galaxy with a giant black hole in its center has been acting up recently, emitting extremely bright flashes of gamma ray light.
09 December 2009, 09:16 PM ET
New technique finds stellar companion to star in Big Dipper.
08 December 2009, 11:03 AM ET
Revamped Hubble takes images of some of earliest galaxies in universe.
08 December 2009, 09:35 AM ET
The biggest black holes in the universe are also the most perplexing. Scientists have long been confused about just how the earliest, most massive black holes formed, but new evidence now suggests they could have originated inside giant cocoon-like stars.
07 December 2009, 01:11 PM ET
A new NASA mission may discover dim stars very close to our Sun. Super-cooled detectors in the Wide-field Infrared Survey Explorer will seek hidden treasures across the entire sky, taking at least 1.5 million images - each 4 megapixels in size
07 December 2009, 11:43 AM ET
New observations deepen mystery of brightness fluctuations in sun-like stars.
03 December 2009, 04:34 PM ET
Scientists reveal what they call the first direct image of a planet-like object orbiting a sun-like star.
02 December 2009, 01:01 PM ET
Astronomers have spotted a new type of extremely bright cosmic explosion they think originates from an exceptionally massive star.
02 December 2009, 12:22 PM ET
The world's largest image of Milky Way goes on display.
02 December 2009, 07:15 AM ET
How astronomers assembled the world's largest image of the Milky Way.
30 November 2009, 04:47 PM ET
Astronomers have long wondered which came first, the black hole or the galaxy around it. The leading theory holds that the two co-evolve, starting small and building over time.
30 November 2009, 09:42 AM ET
Spitzer Space Telescope spots youngest possible brown dwarf pair yet found.
29 November 2009, 10:42 AM ET
Moon phases, visible planets and observing highlights in the night sky for December 2010.
25 November 2009, 01:03 PM ET
An oddball cluster of stars was around when our galaxy was just forming.
24 November 2009, 09:58 AM ET
Supernovas make metals out of simpler elements. But it takes supermassive black holes to deliver them to the Cosmos. So, amazingly, these monsters are directly responsible for creating us.
24 November 2009, 09:30 AM ET
Website lets users play cosmic slot machine to match up modeled galaxy mergers with real ones.
24 November 2009, 09:08 AM ET
New solar observatory to probe sun's inner and outer workings.
23 November 2009, 09:06 AM ET
Massive stars likely form just like their smaller siblings.
23 November 2009, 06:13 AM ET
A new NASA mission may discover dim stars very close to our Sun. Super-cooled detectors in the Wide-field Infrared Survey Explorer will seek hidden treasures across the entire sky, taking at least 1.5 million images - each 4 megapixels in size.
20 November 2009, 09:42 AM ET
New images show results of collision between giant galaxy and smaller neighbor.
18 November 2009, 09:29 AM ET
Hubble images bulge at center of spiral galaxy; could provide clues to bulge formation.
17 November 2009, 10:12 AM ET
Vampire companion star could be long-sought progenitor to Type 1a supernova.
17 November 2009, 05:32 AM ET
This image shows a white dwarf cannibalizing its companion star, with the white dwarf eventually exploding as a supernova.
12 November 2009, 02:00 PM ET
White dwarfs are small, dense stars that used to be much larger, but burned up most of their fuel and languish as dim leftovers the remainder of their lives. Now astronomers have detected two white dwarfs that could help illuminate why some stars end up l
11 November 2009, 01:17 PM ET
Astronomers solve mystery behind sun's low lithium levels; discover way to look for exoplanet systems.