Earth

  1. Earth

    Sun is setting on incandescent era

    After more than a century, Edison's light bulbs stand poised to go extinct.

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  2. Earth

    Cash for clunkers II: Appliances

    States could soon roll out programs that help consumers replace energy hogging home appliances.

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  3. Earth

    Oh, rats — there go the snails

    A food fad among introduced rats has apparently crashed a once-thriving population of Hawaii’s famed endemic tree snails.

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  4. Earth

    A trip to the garbage patch

    Scientists bring back samples from the oceanic garbage patch off the coast of California.

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  5. Chemistry

    Nitrous oxide fingered as monster ozone slayer

    Nitrous oxide has become the leading threat to the future integrity of stratospheric ozone, scientists report.

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  6. Chemistry

    Styrofoam degrades in seawater

    Study suggests besides the visible plastic, smaller bits are fouling the waters

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  7. Earth

    Scanning the land

    Quake data analyses yield an improved model of Southern California’s crust.

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  8. Animals

    Back off, extinct moa

    A New Zealand tree’s peculiar leaves may have served as defenses against long-gone giant birds.

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  9. Animals

    Vocal abilities lost, found and drowned out

    Reports from the meeting of the American Ornithologists' Union

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  10. Earth

    Bubblin’ plume

    Sonar survey spots previously unknown plume in the depths off California.

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  11. Earth

    Rapid evolution may be reshaping forest birds’ wings

    Logging during the last century might have driven birds in mature boreal forests toward pointier wings while reforestation in New England led to rounder wings.

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  12. Earth

    Hazy changes on high

    A big boost in coal burning, especially in China, is adding aerosols to the stratosphere.

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