Scientists mapped the motion of Antarctica’s ice sheets and revealed unexpected patterns.
Published Aug 19, 2011
Researchers working in Antarctica have found evidence of large-scale ice making at the bottom of that continent's massive ice sheets.
Published Apr 21, 2011
Sections of the Greenland Ice Sheet that end on land are slowing—a sliver of good news for sea level rise.
Published Oct 30, 2015
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
Thinner than the 2.3-kilometer-thick center, the outer edges of the Greenland ice sheet develop melt zones like the one shown here during the warm summer months.
Published Apr 7, 2007
A new map shows where the bottom of the Greenland Ice Sheet is likely thawed.
Published Aug 4, 2016
In 1984, there were 1.86 million square kilometers of old ice spread across the Arctic at its yearly minimum extent. In September 2016, there were only 110,000 square kilometers of old ice left.
Published Nov 4, 2016
NASA aircraft return to the Arctic to assess the health of the region’s ice.
Published May 3, 2012
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
Thick ice that used to last through multiple summers has been in steep decline for three decades.
Published Mar 1, 2012
A slab of ice larger than the continental United States smothers much of East Antarctica. Draining from the East Antarctic Ice Sheet is a river of ice nearly 800 kilometers long. This stream, the Recovery Ice Stream, slides roughly 35 billion tons of ice into the ocean each year.
Published Apr 26, 2007
Throughout Antarctica, broad ribbons of ice known as ice streams shed large quantities of ice into the ocean.
Published Apr 24, 2007
