News

  1. Humans

    An ancient civilization’s wet ascent, dry demise

    Cave data suggest that ancient rainfall patterns swayed the course of Classic Maya societies.

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  2. Life

    Seaweed-threatened corals send chemical SOS to fish

    The cry for help summons allies to graze away the algal overgrowth.

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  3. Chemistry

    Hydrogen fuel edges a step closer

    A new chemical setup creates clean-burning gas by mimicking plant photosynthesis.

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  4. Earth

    Sea level rise overflowing estimates

    Future sea level rise might exceed estimates due to environmental feedbacks.

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  5. Space

    Super-Earth joins ranks in life-supporting zone

    The large exoplanet lies just 42 light-years away.