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'Dead' Galaxies Aren't So Dead After All
May 31, 2011 — Astronomers examined old galaxies and were surprised to discover that they are still making new stars. The results provide insights into how galaxies evolve with ... > full story -
Spitzer Sees Crystal 'Rain' in Outer Clouds of Infant Star
May 26, 2011 — Tiny crystals of a green mineral called olivine are falling down like rain on a burgeoning star, according to observations from NASA's Spitzer Space Telescope. This is the first time such crystals ... > full story -
Teasing Apart Galaxy Collisions: Spitzer Photo Atlas of Galactic 'Train Wrecks'
May 25, 2011 — Five billion years from now, our Milky Way galaxy will collide with the Andromeda galaxy. This will mark a moment of both destruction and creation. The galaxies will lose their separate identities as ... > full story -
NASA's Hubble Finds Rare 'Blue Straggler' Stars in the Milky Way's Hub
May 25, 2011 — NASA's Hubble Space Telescope has found a rare class of oddball stars called blue stragglers in the hub of our Milky Way, the first detected within our galaxy's ... > full story -
Brilliant but Solitary Superstar Discovered in Nearby Galaxy
May 25, 2011 — An extraordinarily bright isolated star has been found in a nearby galaxy -- the star is three million times brighter than the Sun. All previous similar "superstars" were found in star clusters, but ... > full story -
How to Learn a Star's True Age
May 24, 2011 — For many movie stars, their age is a well-kept secret. In space, the same is true of the actual stars. Like our sun, most stars look almost the same for most of their lives. So how can we tell if a ... > full story -
Kepler's Astounding Haul of Multiple-Planet Systems
May 24, 2011 — NASA's Kepler spacecraft is proving itself to be a prolific planet hunter. Within just the first four months of data, astronomers have found evidence for more than 1,200 planetary candidates. Of ... > full story -
Expanded Very Large Array (VLA) Radio Telescope Flexing New Scientific Muscle
May 24, 2011 — The famous Very Large Array (VLA) radio telescope has become the Expanded VLA -- a completely new scientific instrument with dramatically improved capabilities. Results from early users show these ... > full story -
Nearby Supernova Factory Ramps Up
May 24, 2011 — A local supernova factory has recently started production, according to a wealth of new data from NASA's Chandra X-ray Observatory on the Carina Nebula. This discovery may help astronomers better ... > full story -
Feuding Helium Dwarf Stars Exposed by Eclipse
May 24, 2011 — Researchers have found a unique feuding double white dwarf star system where each star appears to have been stripped down to just its ... > full story
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