Earth's Systems

  1. Climate

    Sea ice around Antarctica shrinks to record low

    Just two years after reaching a record high, the Antarctic sea ice extent has reached a new low.

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  2. Oceans

    Massive ice shelf is poised to break off of Antarctica

    A fast-growing crack in Antarctica’s Larsen C ice shelf could soon release a truly huge hunk of ice into the ocean.

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  3. Climate

    Predicting a wildfire with data from space

    When the West gets dry it can catch fire. A teen decided to find out if satellite data might show where a fire’s fuel might reside.

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  4. Environment

    Arctic Sea could be ice-free by 2050

    Everyone contributes to the melting of Arctic sea ice, and all are in danger of making summer ice disappear there completely by 2050, a new study finds.

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  5. Climate

    Cool Jobs: Wet and wild weather

    How’s the weather? Forecasts rely on scientists and engineers who collect and interpret data gathered on the ground, in the sky and way up in space.

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  6. Earth

    ‘Weather bomb’ storms send tremors through Earth

    Scientists have detected tiny tremors in the Earth coming from an extreme storm. One day, those tiny tremors could help reveal Earth’s innermost secrets.

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  7. Climate

    Scientists Say: Albedo

    To measure how much light reflects off an object, scientists measure its albedo.

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  8. Earth

    Oxygen-rich air emerged super early, new data show

    Scientists had thought animals were slow to emerge because they would have needed oxygen-rich air to breathe. A new study finds that plentiful oxygen may have developed early. So animals may have been late on the scene for another reason.

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  9. Earth

    Scientists Say: Hoodoo

    When softer rocks are covered with a harder rock layer, weathering can wear away the softer stone. This will leave behind tall thin towers — hoodoos.

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  10. Earth

    Helium discovery blows away shortage worries

    Fears that the world may soon run out of helium have been set aside for now by the finding of a huge reservoir of the gas in East Africa.

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  11. Oceans

    Seafloor hosts surprising number of deep-sea vents

    A new sensor detects changes in seawater chemistry and finds far more ecosystem-supporting seafloor vents than scientists had believed were out there.

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  12. Earth

    Earth’s tectonic plates won’t slide forever

    Earth’s surface morphs, owing to the movement of its tectonic plates. But those plates didn’t use to move so quickly. And in a few billion years they’ll grind to a halt, new research suggests.

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