A decade ago, southern sea ice suddenly and dramatically declined. Scientists say the culprit was a "very violent release" of deep, pent-up heat. Something strange has been swirling in the waters ...

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The rapid collapse and thinning of Antarctic ice shelves is no longer just a regional climate concern. Scientists now warn that the accelerating melt around Earth’s southernmost continent could ...

For decades, Antarctica seemed to defy global warming. Since satellites began monitoring the poles in the late 1970s, the seasonal growth and retreat of Antarctic sea ice – frozen seawater that ...