To the untrained eye, Antarctica may look like a giant piece of solid ice that rarely changes, but scientists studying the continent have long known better. The icy surface is dynamic, with glaciers and "streams" of ice flowing toward the ocean.
Published Apr 27, 2007
Throughout Antarctica, broad ribbons of ice known as ice streams shed large quantities of ice into the ocean.
Published Apr 24, 2007
The extent of ice on North America's Great Lakes is past its annual peak, but remains above the average maximum extent.
Published Mar 18, 2015
Ice cover surpassed 80 percent for the first time in 20 years.
Published Feb 21, 2014
Across the rippling, crevassed whitescape of the East Antarctic Ice Sheet, two unusual shapes appear in this grayscale satellite image of the frozen continent.
Published Feb 4, 2006
Despite a cold snap in February, low ice cover prevailed across the lakes in winter 2020-2021.
Published Mar 4, 2021Image of the Day Heat Water Severe Storms Snow and Ice Remote Sensing
When it comes to the blue hue of meltwater lakes, darker means deeper; satellites can help scientists discover just how deep.
Published Sep 9, 2015
Warm air prevailed in the 2019-2020 winter season, preventing much ice from forming on the lakes.
Published Feb 20, 2020
This image shows the latest estimate of the ice edge around Law Promontory, which juts out from East Antarctica’s coastline near Stefansson Bay.
Published Jul 23, 2010
Lake Erie is usually the first to freeze over because it is shallower than the other Great Lakes.
Published Feb 18, 2018Image of the Day Atmosphere Temperature Extremes Sea and Lake Ice
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