Earth

  1. Life

    Ancestors of today’s placental mammals may never have shared the Earth with dinosaurs

    A newly constructed family tree dovetails with the fossil record, but differs considerably from previous genetic studies by suggesting that placental mammals emerged after the dinosaur extinction.

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  2. Animals

    Compared with rodents, bat species carry more viruses

    Viruses that can jump from animals to people may find the flying mammals a fine place to lurk.

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  3. Earth

    Salvage Job

    With fertilizer prices skyrocketing, scientists scramble to recover phosphorus from waste.

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  4. Earth

    Magnitude 8.0 earthquake strikes Solomon Islands

    Temblor is the largest in a month of seismic activity on Australian-Pacific plate boundary.

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  5. Chemistry

    Gold-digging microbe

    By spitting out a molecule, a bacterium draws solid gold out of solution.

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  6. Earth

    Indonesian mud eruption will soon die out, scientists predict

    Spewing muck since 2006, volcano will calm to a sputter by 2017.

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  7. Oceans

    Life found deep below Antarctic ice

    Lake buried under 800 meters of ice hosts cells, researchers find.

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  8. Earth

    Warmer is not always wetter

    Compared to global warming caused by solar radiation, global warming caused by greenhouse gases results in less rainfall, simulations suggest.

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  9. Life

    Caribbean’s coral reefs approach tipping point

    A survey of 19 colonies suggests many may soon begin to shrink.

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  10. Humans

    U.S. team breaks through subglacial lake

    Testing should continue for a day or more, probing for life in the Antarctic depths.

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  11. Earth

    Human-made waste heat warms climate

    Energy dissipated as heat in cities can cause regional temperature changes, simulations suggest.

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  12. Earth

    Italian earthquake verdict exposes rifts between science and society

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