Although 2005 overall saw a new record, the extent of June melting in 2005 was unexceptional. The same held true for 2006, when this picture was taken.
Published Jun 30, 2006
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
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
Melt ponds on the surface of Greenland’s ice sheet are an important indicator of the strength of the 2013 melt season.
Published Jul 9, 2013
Changing weather conditions left their mark on sea ice along the Antarctic Peninsula in late 2008 and early 2009. In mid-December 2008, melt water resting on the sea ice colored it sky blue. At the beginning of 2009, however, the sea ice appeared snowy white, and cracks had begun along the ice margin.
Published Jan 9, 2009
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
A summer field campaign examines the hydrology of the water streaming across the top of the ice sheet.
Published Aug 30, 2015
Pools of water grow on top of the ice sheet in summer, then sometimes disappear quickly. That water flushes out through glacial plumbing, carrying sediment and massive volumes of fresh water to the sea.
Published Mar 21, 2013
NASA aircraft return to the Arctic to assess the health of the region’s ice.
Published May 3, 2012
