Earth

  1. Planetary Science

    Solar system’s future could be bumpy

    A new study assesses the chances that two planets will collide or a planet will plunge into the sun in the next 5 billion years.

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  2. Health & Medicine

    Hospitals’ drug problem

    Hospitals often don't know pharmaceutical-waste rules, and even those that do often release huge quantities of drugs into the environment.

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  3. Earth

    The Maine way to get rid of drugs

    Maine residents can soon send away old and unwanted drugs for free, "green" disposal.

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  4. Earth

    When the Great Lakes were lower

    New archaeological evidence shows signs of prehistoric hunting and other human activities on now-submerged portions of Lake Huron.

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  5. Earth

    Unexplained atmospheric chemistry detected

    A field study in China reveals an unusually high and unexplained production of hydroxyl radicals.

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  6. Agriculture

    Pesticide may seed American infant formulas with melamine

    An insecticide may underlie traces of melamine, a toxic constituent of plastics and other materials, now being found in infant formulas.

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  7. Climate

    Cultivation changed monsoon in Asia

    The loss of forests in India, China during the 1700s led to a decline in monsoon precipitation.

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  8. Health & Medicine

    Pancreatic cancer linked to herbicides

    Featured blog: Some weed killers may need to be treated with more respect.

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  9. Earth

    Phytoliths as climate clues

    Tiny silica plant structures from soil could track temperature changes.

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  10. Earth

    Bricks, mortar and magnetism

    Medieval French castle, churches yield new data about Earth’s changing magnetic field.

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  11. Earth

    A more organic meteorite

    Some meteorites may contain a higher concentration of organic chemicals than previously thought.

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  12. Health & Medicine

    Air pollution makes chromosomes look older

    Traffic exhaust appears to shorten telomeres, a sign of cellular aging.

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