News

  1. Earth

    Icequake swarms portend some avalanches

    By keeping an ear to the ice, scientists can predict impending glacial crack-ups two weeks in advance.

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  2. Life

    Just warm enough

    Mammals may have evolved a characteristic body temperature to avoid fungal infections without burning too hot.

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  3. Life

    Wealth and ambition

    A week in fancier digs inspires rats to seek richer rewards.

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  4. Space

    Newfound planet stirs old debate

    The discoverers of a fourth body orbiting a nearby star say its origins pose a challenge to existing theory, but some disagree.

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  5. Physics

    Nuclear split surprises

    Physicists spot a new and unexpected type of lopsided fission in the element mercury.