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Cloud Behavior Expands Habitable Zone of Alien Planets
July 1, 2013 — A new study that calculates the influence of cloud behavior on climate doubles the number of potentially habitable planets orbiting red dwarfs, the most common type of stars in the ... > full story -
Gas-Giant Exoplanets Cling Close to Their Parent Stars
June 27, 2013 — Gemini Observatory's Planet-Finding Campaign finds that, around many types of stars, distant gas-giant planets are rare and prefer to cling close to their parent stars. The impact on theories of ... > full story -
First Transiting Planets in a Star Cluster Discovered
June 26, 2013 — All stars begin their lives in groups. Most stars are born in small groups that quickly fall apart. Others form in huge, dense swarms, where stars jostle with thousands of neighbors while strong ... > full story -
Survivor of Stellar Collision Is New Type of Pulsating Star
June 26, 2013 — Astronomers have observed the remnant of a stellar collision and discovered that its brightness varies in a way not seen before on this rare type of star. By analyzing the patterns in these ... > full story -
Three Planets in Habitable Zone of Nearby Star: Gliese 667c Reexamined
June 25, 2013 — Astronomers have combined new observations of Gliese 667C with existing data to reveal a system with at least six planets. A record-breaking three of these planets are super-Earths lying in the zone ... > full story -
Evidence for Extrasolar Planet Under Construction
June 13, 2013 — The keen vision of NASA's Hubble Space Telescope has detected a mysterious gap in a vast protoplanetary disk of gas and dust swirling around the nearby star TW Hydrae, located 176 light-years away in ... > full story -
Sunny Super-Earth? Atmosphere of Super-Earth Exoplanet Observed for Time First by Two Japanese Telescopes
June 12, 2013 — Astronomers have observed the atmosphere of super-Earth "GJ3470b" for the first time using two telescopes. This super-Earth is an exoplanet, having only about 14 times the mass of our home planet, ... > full story -
Astronomers Gear Up to Discover Earth-Like Planets
June 6, 2013 — Dust clouds around stars are thought to hide many undiscovered planets with conditions suitable for life, but observations have been hampered by the fact that only the brightest such clouds can be ... > full story -
Stars Don't Obliterate Their Planets (Very Often)
June 6, 2013 — Stars have an alluring pull on planets, especially those in a class called hot Jupiters, which are gas giants that form farther from their stars before migrating inward and heating up. Now, a new ... > full story -
Saturn's Metal-Poor 'Cousin' Discovered With Little Telescope
June 4, 2013 — Astronomers have discovered a hot Saturn-like planet in another solar system 700 light-years ... > full story
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