Antartica's Thwaites Glacier is also known as the "Doomsday Glacier" because it could greatly contribute to sea level rise if it collapses. And new evidence suggests that's exactly what's happening.
Miles and miles below the surface, the glacier is destabilizing as ocean water rushes underneath its core structures. Scientists learned this thanks to high-resolution satellite radar data that shows Thwaites is being flooded with warm sea water, according to the study published in the journal PNAS.
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