Earth

  1. Climate

    Warming could disrupt Atlantic Ocean current

    The Atlantic current that keeps northwestern Europe warm may be less stable under future climate change than previously thought, revised simulations show.

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  2. Earth

    ‘Waterworld’ Earth preceded late rise of continents, scientist proposes

    Cooling mantle temperatures may have lifted Earth’s continents above sea level, helping spur the Cambrian explosion.

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  3. Earth

    Data show no sign of methane boost from thawing permafrost

    Rapid Arctic warming has increased emissions of carbon dioxide, but not methane, from northern Alaska tundra.

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  4. Earth

    Megadiamonds point to metal in mantle

    Imperfections in supersized diamonds hint at metallic iron and nickel in Earth’s mantle.

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  5. Climate

    Arctic kelp forests may create summer refuges from ocean acidification

    Long summer daylight revs up carbon capture in Arctic kelp forests, offering a little relief from acidifying ocean water.

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  6. Earth

    Earth’s mantle is cooling faster than expected

    The thinning of newly formed oceanic crust suggests that Earth’s mantle is cooling much faster than previously thought.

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  7. Climate

    Year in review: Sea ice loss will shake up ecosystems

    Researchers are studying the complex biological consequences of polar melting and opening Arctic passageways.

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  8. Earth

    Year in review: Ozone hole officially on the mend

    Research this year confirms that the Antarctic ozone hole is healing — an international success attributed to cooperation and new technologies.

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  9. Oceans

    Readers contemplate corals and more

    Coral engineering, ancient almanacs and more in reader feedback.

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  10. Ecosystems

    Oyster deaths linked to ‘atmospheric rivers’

    Atmospheric rivers bring strong storms that could have been behind a 2011 California oyster die-off.

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  11. Earth

    Fossil microbes show how some life bounced back after dino-killing impact

    Pioneering microbes colonized the waters above the Chicxulub crater within hundreds of years following the impact, new research shows.

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  12. Climate

    Glacier melting’s link to climate change confirmed

    The decades-long melting of glaciers is categorical evidence of climate change, a new study affirms.

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