Search Results for: Geology

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7,847 results

7,847 results for: Geology

  1. Earth

    Oxygen flooded Earth’s atmosphere earlier than thought

    The Great Oxidation Event that enabled the eventual evolution of complex life began 100 million years earlier than once thought, new dating of South African rock suggests.

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  2. Earth

    Primordial continental crust re‑created in lab

    Compressing rocks from an ocean plateau at high temperatures and pressures re-creates the formation of Earth’s first continental crust.

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  3. Animals

    Barnacles track whale migration

    The mix of oxygen isotopes in the shells of barnacles that latch on to baleen whales may divulge how whale migration routes have changed over millions of years.

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  4. 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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  5. Life

    California’s goby is actually two different fish

    One fish, two fish: California’s tidewater goby is two species.

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  6. Earth

    Ancient air bubbles could revise history of Earth’s oxygen

    Pockets of ancient air trapped in rock salt for around 815 million years suggest that oxygen was abundant well before the first animals appear in the fossil record.

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  7. Earth

    Glass bits, charcoal hint at 56-million-year-old space rock impact

    Glassy debris and the burnt remains of wildfires suggest that a large space rock hit Earth near the start of the Paleocene-Eocene Thermal Maximum warming event around 56 million years ago.

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  8. Planetary Science

    Mercury’s surface still changing

    A population of small cliffs on Mercury suggests that the planet might have been tectonically active in the last 50 million years.

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  9. Science & Society

    Trump’s proposed 2018 budget takes an ax to science research funding

    Administration would cut total federal research spending by about 17 percent, according to a preliminary estimate.

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  10. Anthropology

    New dating suggests younger age for Homo naledi

    South African fossil species lived more recently than first thought, study suggests.

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  11. Paleontology

    Ancient microbe fossils show earliest evidence of shell making

    Armor-plated, 809-million-year-old fossilized microbes discovered in Canada are the oldest known evidence of shell making.

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  12. Earth

    CO2 shakes up theory of how geysers spout

    Carbon dioxide helps fuel eruptions of Spouter Geyser, and perhaps other features, in Yellowstone National Park, new research suggests.

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