Thick ice that used to last through multiple summers has been in steep decline for three decades.
Published Mar 1, 2012
Penny Ice Cap is the southernmost of Canada’s big ice caps. Like other glaciers and ice caps in the Northern Hemisphere, the Penny has been thinning and its valley glaciers have been retreating in recent decades.
Published Sep 18, 2008
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
This pair of maps shows how the sea ice covering the Arctic at winter maximum in 2009 is younger than it was in the past.
Published Apr 10, 2009
Ice in Hudson Bay starts melting each April, and melts away completely each July. Images from early April and early June 2012 document the ice retreat.
Published Jun 17, 2012
A recent expedition revealed a new rift in Kilimanjaro’s northern ice field.
Published Nov 8, 2012
This approximately true-color image shows ice fragments left over from previous breakups of the Wilkins Ice Shelf.
Published Apr 19, 2009
In September 2011, the extent of sea ice covering the Arctic Ocean declined to the second-lowest extent on record.
Published Oct 5, 2011
These color-coded maps show ice mass changes in the northern Canadian Arctic Archipelago from 2004 to 2009.
Published Jun 1, 2011
A diamond-shaped piece of ice is a stranger amid thin ice.
Published Mar 1, 2017
Sea ice can linger on Hudson Bay into the summer, but it is usually gone by mid-August.
Published Jul 30, 2018Image of the Day Water Unique Imagery Snow and Ice Sea and Lake Ice
Taken from a low-flying airplane on March 26, 2011, these detailed photos of Arctic sea ice show the richly varied texture in the ice floe.
Published Apr 1, 2011
NASA aircraft return to the Arctic to assess the health of the region’s ice.
Published May 3, 2012
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