Search Results for: antarctica

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1,378 results
  1. Planetary Science

    An asteroid may have exploded over Antarctica about 2.5 million years ago

    Tiny spherules of rock found in Antarctic ice may point to the oldest known “airburst,” or midair disintegration of an incoming asteroid.

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  2. Climate

    3 Antarctic glaciers show rapidly accelerated ice loss from ocean warming

    Destabilized by ocean waves and vanishing sea ice, Antarctica’s Hektoria glacier lost 25 kilometers of ice in 16 months — a possible hint of what’s to come.

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  3. Climate

    Emperor penguins lost thousands of chicks to melting ice last year

    In 2022, groups of emperor penguins in western Antarctica lost almost all their chicks to receding sea ice, signaling the threat of climate change.

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  4. Climate

    Antarctic sea ice has been hitting record lows for most of this year

    Since hitting a record low minimum back in February, the amount of Antarctic sea ice has stayed well below normal all year.

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  5. Life

    In one lake deep under Antarctica’s ice, microbes feast on ancient carbon

    Microorganisms living in a lake beneath the ice sheet in West Antarctica feed on ocean carbon that was deposited 6,000 years ago.

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  6. Planetary Science

    How drones are helping scientists find meteorites

    Searching for fallen space rocks is labor intensive. A team of researchers in Australia is speeding things up with drones and machine learning.

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  7. Earth

    Speed bumps under Thwaites Glacier could help slow its flow to the sea

    A seismic survey of Thwaites’ icy underbelly shows the Antarctica glacier may be snagging on tall rises in land. That could help slow global sea level rise.

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  8. Earth

    A massive cavern beneath a West Antarctic glacier is teeming with life

    A subglacial river has carved out the cavern beneath the Kamb Ice Stream, a West Antarctic glacier, and may be supplying nutrients necessary for life.

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  9. Climate

    Here’s how 2023 became the hottest year on record

    The effects of climate change were on clear display in 2023 as records not only broke, but did so by surprising amounts.

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  10. Animals

    These nesting penguins nod off over 10,000 times a day, for seconds at a time

    Micronaps net chinstrap penguins over 11 hours of sleep a day, offering some rest while staying vigilant against predators and competitors.

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  11. Climate

    How wildfires deplete the Earth’s ozone layer

    Scientists detail the chain of chemical reactions that occur when wildfire smoke enters the stratosphere.

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  12. The many challenges of exploring hidden realms

    Editor in chief Nancy Shute discusses the challenges of studying the invisible or inaccessible, from the seafloor to hidden caverns buried underneath solid ice.

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