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Under Antarctica’s Ice, Scientists Uncover a Hidden Network of Over 300 Giant Canyons With Serious Implications for Ocean Circulation

Under Antarctica’s Ice, Scientists Uncover a Hidden Network of Over 300 Giant Canyons With Serious Implications for Ocean Circulation
science • 8/18/2025

A hidden world beneath Antarctica is finally coming into focus. Scientists have uncovered hundreds of massive canyons buried deep under the ice—structures that could upend what we know about ocean currents, melting glaciers, and rising seas.

A new scientific atlas has just redrawn the map of Antarctica’s seafloor—and what it reveals could alter how researchers model sea-level rise, ocean circulation, and the continent’s past. The study, published in Marine Geology and led by researchers ... [4487 chars]