Ice & Glaciers
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From Alaska’s Saint Elias Mountains to Pakistan’s Karakoram, glaciers speed up and slow down with the seasons.
With the end of summer approaching in the Northern Hemisphere, the extent of sea ice in the Arctic shrank to…
A moderately intense season of surface melting left part of the ice sheet dirty gray in summer 2025, but snowfall…
Sea ice is frozen seawater that floats in the ocean. This photo, taken from NASA’s Gulfstream V Research Aircraft on July…
Test your knowledge of the many varieties of frozen water and how these icy realms are connected to climate change.
How much do you know about the frozen poles of our home planet?
As Greenland’s ice retreats, it’s fueling tiny ocean organisms. To test why, scientists turned to a computer model out of…
The outlet of Berg Lake, dammed by the Steller Glacier in Alaska, has been reconfigured after decades of ice retreat.
Iceberg A-23A continued to lose sizable pieces of ice during the 2025 austral winter, but it remained the planet’s largest…
