Planets have scientists buzzing
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A new wide-field sky survey known as SuperWasp discovers two planets orbiting far-distant stars.
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Ever since the unmanned spacecraft Mars Express reported the presence of methane in the Martian atmosphere, scientists have been watching the red planet with interest bordering on obsession.
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New observations of dust around young stars suggests collisions of large asteroid-like objects and fledgling planets are frequent.
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The collisions that spawn planets are bigger and take place over longer periods of time than previously thought, say astronomers who studied nearly 300 stars with NASA&#39;s Spitzer Space Telescope.
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Ice particles are key players in the ever-changing panorama at Saturn, according to a new study led by a University of Colorado at Boulder professor using an instrument on the Cassini-Huygens spacecraft now at the ringed planet.
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28 new planets orbiting distant stars beyond our solar system are detected by an international team.
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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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Interesting data has been sent by the Cassini spacecraft from Saturn back to astronomers on Earth. The results provide insight into the planet&#39;s rings and how the planet has evolved lately.
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Astronomers find a strange new world that has them pondering again the essential properties of a planet.
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For the first time, scientists have found rings of dust around planet-bearing stars &#151; an important confirmation of theories about how planets form, NASA announced Thursday.
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A new class of planets has been  found orbiting stars besides our sun, in a possible giant leap  forward in the search for Earth-like planets that might harbor  life, scientists said on Tuesday.
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Two old stars appear to be generating planets long after the normal period, astronomers say.
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Washington, DC- Using a network of small automated telescopes known as HAT, Smithsonian astronomers have discovered a planet unlike any other known world.
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Scientists have long believed that the planet is surrounded by a radiation belt. Now it's a confirmed fact. Compiled by Tony Long.
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Uranus may not be âthe most boring planetâ in the solar system after all - new images suggest the outer planet experiences weird seasonal weather patterns.
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Space scientists offer thoughts, both practical and far-fetched, for what to do if thereâs a space rock out there with our planetâs number on it.
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Scientists said on Thursday they   have spotted an unusually large and light planet orbiting a   distant star -- a discovery that could force them to reexamine   theories about how planets are formed.