Tranny planet gives astronomers a show
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Another day, another gas giant Astronomers have found an extrasolar planet that is perfectly positioned to allow a decent analysis of its atmosphere.â¦
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It is the first planetary system that really looks like our own, with outer giant planets and room for smaller inner planets, astronomers say.
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A new spectrometer lets scientists learn more about the planet's chemistry.
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Astronomers have yet to find an Earth-size planet beyond our solar system, but that hasn&#39;t stopped them from modeling what these worlds might look like.
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Astronomers on Wednesday announced they had spotted the first planet beyond the Solar System that has water, the precious ingredient for life.
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Astronomers have discovered a new class of planets that take less than a day to whiz round their parent stars.
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For many astronomers the Kuiper Belt has become an exciting spot for innovative research and has changed how they view the solar system.
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Among a batch of new planets, found by the Hubble telescope on a small patch of sky in Sagittarius, are as many as five that orbit their home stars in less than a day.
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For the first time, NASA scientists have observed planet-containing solar systems with disks of dust orbiting their central stars, astronomers announced Thursday.
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Astronomers believe they've glimpsed light from some of the universe's first stars through the world's largest telescope on the Big Island.
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Hawaii&#39;s Keck Observatory has confirmed the existence of a Jupiter-sized planet orbiting a distant star, the first one spotted by a network of astronomers using telescopes no larger than the ones you can buy in stores.
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Astronomers have found what they say is the best evidence yet for water, or at least steam, in the atmosphere of a planet around another star.
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The powerful vision of NASA's Hubble Space Telescope has allowed astronomers to study for the first time the layer-cake structure of the atmosphere of a planet orbiting another star.
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MAUNA KEA, Hawaii -- The sharpest image ever taken of a dust disk around another star has revealed structures in the disk which are signs of unseen planets.     Dr...
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Astronomers have discovered a planet that seems to have survived the puffing up of its home star, suggesting that Earth could survive the swelling of the Sun.
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Astronomers have found the latest planet in another solar system â-r &quot;exoplanet&quot; â -ng telescopes no bigger than those you might find at a garage sale.
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By SETH BORENSTEIN, THE ASSOCIATED PRESS  CAPE CANAVERAL, Fla.  Stargazers will get a rare triple planetary treat this weekend with Jupiter, Mercury and Mars appearing to nestle together in the pre-dawn skies.