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What Is Creating Gullies on Giant Asteroid Vesta?
December 6, 2012 — In a preliminary analysis of images from NASA's Dawn mission, scientists have spotted intriguing gullies that sculpt the walls of geologically young craters on the giant asteroid Vesta. The ... > full story -
Little Telescope Spies Gigantic Galaxy Clusters
December 6, 2012 — Our solar system, with its colorful collection of planets, asteroids and comets, is a fleck in the grander cosmos. Hundreds of billions of solar systems are thought to reside in our Milky Way galaxy, ... > full story -
Apollo's Lunar Dust Data Being Restored
December 6, 2012 — Forty years after the last Apollo spacecraft launched, the science from those missions continues to shape our view of the moon. In one of the latest developments, readings from the Apollo 14 and 15 ... > full story -
Searching for the Best Black Hole Recipe
December 6, 2012 — In this holiday season of home cooking and carefully-honed recipes, some astronomers are asking: what is the best mix of ingredients for stars to make the largest number of plump black holes? They ... > full story -
Sungrazing Comets as Solar Probes
December 6, 2012 — To observe how winds move high in Earth's atmosphere, scientists sometimes release clouds of barium as tracers to track how the material corkscrews, blows around, and changes composition in response ... > full story -
Orbiter Spies Where Rover's Cruise Stage Hit Mars
December 6, 2012 — During the 10 minutes before the NASA Mars Science Laboratory spacecraft entered the Martian atmosphere to deliver the rover Curiosity to the surface, the spacecraft shed its cruise stage, which had ... > full story -
Hubble Sees a Galaxy Hit a Bullseye
December 6, 2012 — In Hubble’s image, NGC 922 clearly reveals itself not to be a normal spiral galaxy. The spiral arms are disrupted, a stream of stars extends out towards the top of the image, and a bright ring ... > full story -
NASA-NOAA Satellite Reveals New Views of Earth at Night
December 5, 2012 — Scientists have unveiled an unprecedented new look at our planet at night. A global composite image, constructed using cloud-free night images from a new NASA and NOAA satellite, shows the glow of ... > full story -
When the First Stars Blinked On: Very First Stars May Have Turned on When the Universe Was 750 Million Years Old
December 5, 2012 — Researchers have peered far back in time, to the era of the first stars and galaxies, and found matter with no discernible trace of heavy ... > full story -
Astronomers Discover and 'Weigh' Infant Solar System: Young Star With Rotating Dust Disk Is Youngest Still-Forming Planetary System Yet Found
December 5, 2012 — A young star no more than 300,000 years old is surrounded by a disk of dust and gas rotating in the same manner as planets in our Solar System, making it the youngest such infant system yet ... > full story
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