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  1. Earth

    2009 Science News of the Year: Earth

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  2. Space

    2009 Science News of the Year: Atom & Cosmos

    A post-crash plume kicked up from the moon contained vapor and ice. NASA crashed an unmanned spacecraft into the lunar surface on October 9 in order to analyze the resulting debris for signs of water. Image Credit: NASA Water on the moonThe moon isn’t bone dry: Although planetary scientists had suspected as much for years, […]

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  3. Humans

    2009 Science News of the Year: Humans

    An artist’s illustration shows how a female Ardipithecus may have looked. An analysis of Ardi’s bones, uncovered from 1992 through 1997, was released this year.