Earth

  1. Environment

    The way poison frogs keep from poisoning themselves is complicated

    Gaining resistance to one of their own toxins forced some poison dart frogs to make other genetic tweaks, too.

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  2. Earth

    Plate tectonics started at least 3.5 billion years ago

    Analyses of titanium in rock suggest plate tectonics began 500 million years earlier than thought.

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  3. Earth

    Plate tectonics started at least 3.5 billion years ago

    Analyses of titanium in rock suggest plate tectonics began 500 million years earlier than thought.

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  4. Earth

    Intense storms provide the first test of powerful new hurricane forecast tools

    From Harvey to Maria, this year’s powerful hurricanes are giving scientists’ latest forecasting tools a trial by fire.

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  5. Environment

    The list of diseases linked to air pollution is growing

    Air pollution levels have come down since the 1970s, but smog is being linked with a growing list of diseases, including dementia, obesity, diabetes and even Parkinson’s.

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  6. Microbes

    Now we know how much glacial melting ‘watermelon snow’ can cause

    Algae that give snow a red tint are making glacial snow in Alaska melt faster.

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  7. Agriculture

    ‘Big Chicken’ chronicles the public health dangers of using antibiotics in farming

    A new book takes a hard look at the chicken industry for its role in fostering antibiotic resistance.

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  8. Earth

    How hurricanes and other devastating disasters spur scientific research

    Hurricanes such as Harvey, Irma and others have been devastating, even deadly, yet they drive our desire for scientific discovery.

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  9. Environment

    Air pollution takes a toll on solar energy

    Dust and other tiny air pollutants can reduce solar energy output by as much as 25 percent in parts of the world.

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  10. Climate

    Rising temperatures threaten heat-tolerant aardvarks

    Aardvarks may get a roundabout hit from climate change — less food.

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  11. Earth

    North America’s largest recorded earthquake helped confirm plate tectonics

    Henry Fountain’s 'The Great Quake' mixes drama and science to tell the story of the 1964 Alaska earthquake.

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  12. Oceans

    How deep water surfaces around Antarctica

    New 3-D maps trace the pathway that deep water takes to the surface of the Southern Ocean.

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