Antarctic Sea Ice Grows to Its 2026 Maximum
Antarctic Sea Ice Grows to Its 2026 Maximum

The ice reached its third-lowest maximum extent since satellite observations began.

Arctic Sea Ice Shrinks to Its 2026 Minimum
Arctic Sea Ice Shrinks to Its 2026 Minimum

Satellite records show Arctic sea ice covering less of the ocean in both winter and summer.

Arctic Sea Ice Reaches 2026 Annual Minimum Extent
Arctic Sea Ice Reaches 2026 Annual Minimum Extent

Arctic sea ice reached its annual minimum extent on Sept. 12, according to NASA and the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder. The ice covered an estimated 1.78 million square miles (4.6 million square kilometers), tying 2008, 2010, and 2025 for the 10th-lowest minimum in the satellite record. […]

Arctic Melt Season Length Levels Off
Arctic Melt Season Length Levels Off

While the sea ice melt season has lengthened dramatically in most of the satellite era, the trend unexpectedly stabilized around 2010.

A Changing World for Emperor Penguins
A Changing World for Emperor Penguins

Experts are analyzing decades of images from Landsat satellites for clues about how the iconic birds have responded to sea ice disruptions in the past.

Signs of Thaw in the Bering Sea
Signs of Thaw in the Bering Sea

Drifting sea ice fragments near Alaska’s Saint Lawrence and Nunivak islands and colorful water around the Yukon Delta heralded the approach of the summer solstice.

Barents Sea Tied to Low Arctic Sea Ice
Barents Sea Tied to Low Arctic Sea Ice

Patches of open water in the region contributed to low sea ice extent across the Arctic in March 2026, which tied with the lowest maximum observed in the satellite record.

Cañon Fiord’s Whirling Waters
Cañon Fiord’s Whirling Waters

During the 2022 summer melt season, sediment plumes and fractured sea ice traced swirling eddies in a branch of the Nansen Sound fjord system in the Canadian Arctic.