Science & Environment

How a massive ice shelf buttressed the last ice age's glaciers—and what it could mean for Antarctica today

Source: Phys.org - latest science and technology news stories · Published

How a massive ice shelf buttressed the last ice age's glaciers—and what it could mean for Antarctica today
Source: Phys.org - latest science and technology news stories

About 20,000 years ago, an enormous, floating ice shelf more than a mile (1.6 kilometers) thick helped lock in three of the largest ice sheets in northern Canada and Greenland. When that ice shelf disappeared, it helped unlock part of these ice sheets, which contributed to hundre

About 20,000 years ago, an enormous, floating ice shelf more than a mile (1.6 kilometers) thick helped lock in three of the largest ice sheets in northern Canada and Greenland. When that ice shelf disappeared, it helped unlock part of these ice sheets, which contributed to hundreds of feet of sea level rise, establishing modern coastlines as we know them.

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Antarctica’s sea ice has undergone a stunning reversal
Science & Environment

Antarctica’s sea ice has undergone a stunning reversal

Antarctic sea ice reached its third-lowest winter maximum in 2026, extending a remarkable decline that began after years of record-breaking growth. Scientists are investigating whether the dramatic reversal signals a long-term shift in Antarctica's frozen landscape.

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