(PhysOrg.com) -- NASA's Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star to be in the ...
Astronomy
Dec 20, 2011
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(PhysOrg.com) -- NASA's Kepler mission has confirmed its first planet in the "habitable zone," the region where liquid water could exist on a planet’s surface. Kepler also has discovered more than 1,000 new planet candidates, ...
Astronomy
Dec 5, 2011
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(PhysOrg.com) -- Fluctuations in climate can drastically affect the habitability of marine ecosystems, according to a new study by UCLA scientists that examined the expansion and contraction of low-oxygen zones in the ocean.
Earth Sciences
Jun 17, 2011
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(PhysOrg.com) -- In a recent paper posted at arXiv.org and submitted to Astrophysical Journal, Dan Hooper and Jason Steffen, physicists at Fermilab in Illinois, present the theory that cold and dark planets, not heated by ...
(PhysOrg.com) -- The search for habitable planets similar to Earth has routinely focused around active nuclear burning stars. However, in a recently published paper by Eric Agol from the University of Washington, the idea ...
(PhysOrg.com) -- NASA has spotted a tiny, rocky planet about the size of Earth doing a speedy orbit of a star outside our solar system, but its scorching temperatures are too hot for life, the space agency said Monday.
Astronomy
Jan 10, 2011
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(PhysOrg.com) -- A team of planet hunters led by astronomers at the University of California, Santa Cruz, and the Carnegie Institution of Washington has announced the discovery of an Earth-sized planet (three times the mass ...
Astronomy
Sep 29, 2010
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As telescopes become more advanced, we’ll be able to see more details about planets orbiting other stars - including indications that those planets have life. However, it would probably take many centuries before we could ...
Space Exploration
Apr 29, 2010
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In the new blockbuster Avatar, humans visit the habitable - and inhabited - alien moon called Pandora. Life-bearing moons like Pandora or the Star Wars forest moon of Endor are a staple of science fiction. With NASA's Kepler ...
Astronomy
Dec 17, 2009
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(PhysOrg.com) -- Since the launch of the NASA Kepler Mission earlier this year, astronomers have been keenly awaiting the first detection of an Earth-like planet around another star. Now, in an echo of science fiction movies ...
Astronomy
Sep 3, 2009
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