Search Results for: Geology

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7,847 results

7,847 results for: Geology

  1. Earth

    Buying time when quakes hit

    On the West Coast, geologists are developing an earthquake warning system that can provide seconds of notice before destructive shaking begins. The system could be ready before the next big quake hits.

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  2. Earth

    How the West was done

    The tectonic history of North America’s Pacific Rim gets even more jumbled.

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  3. Planetary Science

    Mars rover fails to find methane

    A dearth of the gas in the Red Planet's atmosphere disappoints scientists looking for signs of biological activity.

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  4. Climate

    The Attacking Ocean

    The Past, Present, and Future of Rising Sea Levels by Brian Fagan.

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  5. Earth

    Oxygen wafted into Earth’s atmosphere earlier than thought

    Date pushed back to 3 billion years ago, suggesting photosynthesis had evolved by then.

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  6. Earth

    Japan’s 2011 earthquake upped Tokyo’s risk

    Chance more than doubled that capital city will soon experience big temblor, researchers calculate.

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  7. Earth

    Breakups maintain barchan dune fields, somehow

    Two new theories try to explain how the crescent-shaped sand mountains persist.

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  8. Earth

    Life’s early traces

    Tiny tufts, rolls and crinkles in 3.5-billion-year-old rocks add to a growing body of evidence suggesting that cellular life got a relatively quick start on Earth.

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  9. Earth

    Buried Saharan rivers might have been early expressways

    Humans might have migrated across the arid region along three once-lush waterways.

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  10. Planetary Science

    Europa vents water, Hubble data suggest

    Plumes from ice-covered oceans would increase likelihood of life-friendly conditions on one moon of Jupiter.

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  11. Earth

    Faults can reseal months after quakes

    Measurements in southern China find quick healing of fractured rock.

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  12. Animals

    Oxygen boost aided carnivore evolution in Cambrian explosion

    Atmospheric change and rise of predators caused burst in complexity of life.

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