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  • New Images of Mercury Just the Beginning
    NASA's MESSENGER spacecraft has returned 1500 images from orbit around Mercury. The instruments on MESSENGER are working, and the mission is now poised to help scientists understand the evolution of the small, rocky planet that lies closest to the Sun.
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  • A new study shows that wind is a much more powerful force in shaping mountains than previously thought.
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  • A new study shows that wind is a much more powerful force in shaping mountains than previously thought.
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  • Not Only the Fittest Survive
    A new theory about evolution has called into question the idea that 'only the fittest survive.' This means that biodiversity may evolve where previously thought impossible.
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  • Intense global warming may have occurred more frequently in Earth's past than previously believed. New research shows that release of carbon dioxide from the deep oceans could have triggered these ancient 'hyperthermal' events.
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  • Scientists have discovered that when icebergs cool and dilut the seas, they also raise chlorophyll levels. This may increase the amount of carbon dioxide that is absorbed in the Southern Ocean, and could have global implications for Earth's climate.
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  • NASA's Stardust spacecraft has sent its last transmission to Earth. Since its launch in 1999, Stardust has provided astrobiologists with a wealth of data about the composition and nature of comets.
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  • NASA's Stardust spacecraft has sent its last transmission to Earth. Since its launch in 1999, Stardust has provided astrobiologists with a wealth of data about the composition and nature of comets.
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  • Cassini has observed strange variations in radio waves controlled by Saturn's rotation. The findings change current assumptions about radio emissions from gas giants. Studying Saturn and its environment is important in determining the types of planets that exist in the Universe and the potential for
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  • Cassini has observed strange variations in radio waves controlled by Saturn's rotation. The findings change current assumptions about radio emissions from gas giants. Studying Saturn and its environment is important in determining the types of planets that exist in the Universe and the potential for
    more...