Search Results for: antarctica

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1,345 results
  1. image of researchers crouched on the ice with snowmobiles
    Planetary Science

    Machine learning points to prime places in Antarctica to find meteorites

    Using data on how ice moves across Antarctica, researchers identified more than 600 spots where space rocks may gather on the southern continent.

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  2. Satellite image of an Antarctic glacier shedding ice into Pine Island Bay
    Climate

    Ancient penguin bones reveal unprecedented shrinkage in key Antarctic glaciers

    Thwaites and Pine Island glaciers are losing ice faster than any other time in the last 5,500 years. That history is written in bones and shells.

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  3. photo of Thwaites Glacier
    Climate

    Antarctica’s Thwaites Glacier ice shelf could collapse within five years

    The loss of Thwaites’ buttressing ice shelf could hasten the demise of the “Doomsday Glacier” and raise the risk of dramatic sea level rise.

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  4. satellite images from before and after drainage of an ice-covered lake in Antarctica
    Earth

    Satellites show how a massive lake in Antarctica vanished in days

    Within six days, an Antarctic lake with twice the volume of San Diego Bay drained away, leaving a deep sinkhole filled with fractured ice.

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  5. underwater photo of an octopus garden on the sea floor
    Oceans

    Some deep-sea octopuses aren’t the long-haul moms scientists thought they were

    Off California’s coast, some octopuses lay eggs in the warmer water of geothermal springs in the “Octopus Garden,” speeding up their development.

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  6. Readers ask about the sun’s surface, landscaping Neandertals and more

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  7. illustration of an asteroid hitting Antarctica
    Planetary Science

    A meteor may have exploded over Antarctica 430,000 years ago

    Tiny spherules recovered from a mountaintop suggest a space rock broke apart midflight and sprayed debris across thousands of kilometers.

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  8. image of sea ice in the Southern Ocean taken from the window of an airplane
    Oceans

    The Southern Ocean is still swallowing large amounts of humans’ carbon dioxide emissions

    A 2018 study suggested the ocean surrounding Antarctica might be taking up less CO₂ than thought, but new data suggest it is still a carbon sink.

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  9. 5 micrometeorites found in Antarctica
    Planetary Science

    Earth sweeps up 5,200 tons of extraterrestrial dust each year

    Thousands of micrometeorites collected from Antarctica come from both comets and asteroids, a new study suggests.

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  10. image of meteorite ALH 84001
    Planetary Science

    Organic molecules in an ancient Mars meteorite formed via geology, not alien life

    Analysis of an ancient Martian meteorite reveals that organic molecules within it were formed by geologic processes rather than alien life.

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  11. Shakleton Glacier
    Microbes

    Missing Antarctic microbes raise thorny questions about the search for aliens

    Scientists couldn’t find microbial life in soils from Antarctica, hinting at a limit for habitability on Earth and other worlds.

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  12. photo of Wally Broecker sitting in a lab
    Climate

    Wally Broecker divined how the climate could suddenly shift

    Wally Broecker’s insight into the shutdown of the great ocean conveyor belt spurred the study of abrupt climate change.

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