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
Thick ice that used to last through multiple summers has been in steep decline for three decades.
Published Mar 1, 2012
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
In September 2011, the extent of sea ice covering the Arctic Ocean declined to the second-lowest extent on record.
Published Oct 5, 2011
Arctic sea ice has been retreating the fastest in the Beaufort Sea.
Published Oct 18, 2017
Thin sea ice swirled along the east coast of Greenland in October 2012, against a backdrop of overall thinning sea ice.
Published Oct 27, 2012
In the Arctic, sea ice extent fluctuates with the seasons. It reaches its peak extent in March, near the end of Northern Hemisphere winter, and its minimum extent in September, at the end of the summer thaw. In September 2007, Arctic sea ice extent was the smallest area on record since satellites began collecting measurements about 30 years ago.
Published Mar 25, 2008
A new NASA analysis has quantified for the first time the amount of “multi-year” ice that is being lost from the Arctic Ocean due to melting as opposed to export.
Published Nov 10, 2010
On August 26, 2012, Arctic sea ice broke all previous records weeks ahead of the end of melt season.
Published Aug 28, 2012
The 2014 arctic sea ice minimum is the sixth lowest on record, while antarctic sea ice continues to exceed the record maximum extent.
Published Sep 24, 2014
Sea ice from the Foxe Basin tends to be rougher and more stained than other parts of the Arctic.
Published May 24, 2014
These images show overall Arctic sea ice extent on September 19, 2010 (the date of the 2010 minimum), and sea ice growth in mid-September 2010.
Published Oct 6, 2010
