Snow and Ice

Antarctic Iceberg Loses Its Edge
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Antarctic Iceberg Loses Its Edge

The largest iceberg currently at sea is parked off the coast of South Georgia Island and showing signs of fragility.

Published May 6, 2025

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Snow Cover
Global Maps

Snow Cover

Snow and ice influence climate by reflecting sunlight back into space. When it melts, snow is a source of water for drinking and vegetation; too much snowmelt can lead to floods. These maps show average snow cover by month.

Mar 2000 — Apr 2025

Snow and Ice

Signs of the Season in Pine Island Bay
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Signs of the Season in Pine Island Bay

A major embayment in West Antarctica saw new sea ice growth in autumn 2025 amid older sea ice that had survived the austral summer melt season.

Published Apr 16, 2025

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Winter Sea Ice Reached New Lows in the Arctic
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Winter Sea Ice Reached New Lows in the Arctic

The region’s ice extent on March 22, 2025, was the lowest maximum observed in the satellite record.

Published Apr 4, 2025

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Antarctic Sea Ice Plunged in Summer 2025
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Antarctic Sea Ice Plunged in Summer 2025

The region’s ice extent on March 1 tied for the second-lowest minimum observed in the satellite record.

Published Apr 2, 2025

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