Sea & Lake Ice
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While the sea ice melt season has lengthened dramatically in most of the satellite era, the trend unexpectedly stabilized around…
The color of Adélie penguin droppings reveals what the birds are eating, offering scientists a way to track how sea…
Drifting sea ice fragments near Alaska’s Saint Lawrence and Nunivak islands and colorful water around the Yukon Delta heralded the…
Welcome to the Ice-sheet and Sea-level System Model (ISSM) website (formerly, Ice Sheet System Model). ISSM is the result of…
Patches of open water in the region contributed to low sea ice extent across the Arctic in March 2026, which…
During the 2022 summer melt season, sediment plumes and fractured sea ice traced swirling eddies in a branch of the…
Nearly 50 years ago, the first Landsat satellite captured the rare sight of Mid-Atlantic waterways frozen over.
Ice in the Hudson River hugged the shore of Manhattan amid a deep freeze.
Icebreakers play a critical role in delivering supplies to America's largest research base in Antarctica.
