Source: Smithsonian Magazine
The 748-foot-long sediment core contains a record of roughly the past 23 million years, including periods when the planet’s surface temperature was hotter than it is today
Researchers Retrieve the Deepest-Ever Rock Core From Beneath Antarctica’s Ice. It Holds Clues About the Earth’s Past—and Future
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Deepest-ever rock core extracted from under Antarctic ice sheet
18 February 2026
Analyses will help to reveal how far the West Antarctic Ice Sheet retreated in the past — and what it might do in the future.
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Scientists Drilled Into Antarctic Ice Until They Met Bedrock, Then Got A 228-Meter Sample Of Sediment
18 February 2026
Scientists have just got their hands on a 228-metre (748-foot) core sample from the muddy bedrock beneath West Antarctica’s chunky ice sheets. Inside the record-breaking sample, they discovered fossils of marine organisms that date from a time when this area was an open, ice-free ocean.