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Wide Binary Stars Wreak Havoc in Planetary Systems, Astrophysicists Find
January 6, 2013 — Astrophysicists have shown that planetary systems with very distant binary stars are particularly susceptible to violent disruptions, more so than if they had stellar companions with tighter orbits ... > full story -
Planets Abound: Astronomers Estimate That at Least 100 Billion Planets Populate the Galaxy
January 3, 2013 — Look up at the night sky and you'll see stars, sure. But you're also seeing planets -- billions and billions of them. At least. That's the conclusion of a new study by astronomers that provides yet ... > full story -
How Young Star and Planets Grow Simultaneously
January 2, 2013 — The ALMA telescope gives astronomers their first glimpse of a fascinating stage of star formation and helps resolve a mystery about how young planets and their infant star can both grow at the same ... > full storyMore: -
Saturn Mission: Cassini Instrument Learns New Tricks
December 20, 2012 — For seven years, a mini-fridge-sized instrument aboard NASA's Cassini spacecraft reliably investigated weather patterns swirling around Saturn; the hydrocarbon composition of the surface of Saturn's ... > full story -
Closest Single Star Like Our Sun May Have Habitable Planet
December 19, 2012 — An international team of astronomers has discovered that Tau Ceti, one of the closest and most Sun-like stars, may host five planets -- with one in the star's habitable ... > full story -
Venus Transit and Lunar Mirror Could Help Astronomers Find Worlds Around Other Stars
December 13, 2012 — On June 6, 2012, Venus passed directly between Earth and the sun, in a so-called transit where the planet appears as a silhouette against the solar disk, something that will not happen again until ... > 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 -
Planet Rings Could Be Behind the Formation of Solar System Satellites
December 4, 2012 — Two researchers have recently proposed the first ever model explaining how the great majority of regular satellites in our solar system were formed out of planet rings. The model, the only one of its ... > full story -
Search for Life Suggests Planetary Systems More Habitable Than Ours
December 3, 2012 — Scattered around the Milky Way are stars that resemble our own sun—but a new study is finding that any planets orbiting those stars may very well be hotter and more dynamic than ... > full story -
Can Life Emerge on Planets Around Cooling Stars?
November 29, 2012 — New research hints that planets orbiting white and brown dwarfs, even in the habitable zone, face a "difficult path to ... > full story
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