A new map shows where the bottom of the Greenland Ice Sheet is likely thawed.
Published Aug 4, 2016
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
Throughout Antarctica, broad ribbons of ice known as ice streams shed large quantities of ice into the ocean.
Published Apr 24, 2007
NASA aircraft return to the Arctic to assess the health of the region’s ice.
Published May 3, 2012
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
Thick ice that used to last through multiple summers has been in steep decline for three decades.
Published Mar 1, 2012
To understand ice sheets, glaciologists venture both below the surface with ice cores, and into the sky with satellites. Satellite imagery of the Greenland Ice Sheet reveals melt ponds that can affect glacier flow and sea level.
Published Oct 29, 2008
These color-coded maps show ice mass changes in the northern Canadian Arctic Archipelago from 2004 to 2009.
Published Jun 1, 2011
