California-size Antarctic ice sheet once thought stable may actually be at tipping point for collapse

Researchers have discovered the base of the Wilkes Subglacial Basin, which holds enough ice to raise sea levels by as much as 10 feet, may already be partially thawed.

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Antarctica , Eliza Dawson , Dustin Schroeder , Stanford University , Wilkes Subglacial Basin , East Antarctica , Southern Ocean , West Antarctica , East Antarctic Ice Sheet ,