March 13, 2017
Dramatic declines in Arctic sea ice during the past four decades are due to a mixture of global warming and a natural decades-long hot spot over Greenland.
July 7, 2016
With Arctic sea ice roughly tied with previous record-low years, a University of Washington tool that tallies the total volume of ice in the Arctic Ocean is attracting attention.
March 3, 2015
Historic submarine and modern satellite records show that ice thickness in the central Arctic Ocean dropped by 65 percent from 1975 to 2012. September ice thickness, when the ice cover is at a minimum, dropped by 85 percent.
September 17, 2013
Despite warming temperatures, Antarctic sea ice is on track to hit a record high. A new study suggests stronger polar winds can explain the recent increase in Southern Hemisphere sea ice.
July 30, 2013
Widespread media reports of a lake at the North Pole don’t hold water — but scientists who deployed the monitoring buoys are watching closely as Arctic sea ice approaches its yearly minimum.
February 13, 2013
New satellite observations confirm a University of Washington analysis that for the past three years found accelerated declines in the volume of Arctic sea ice.
January 31, 2013
A huge Arctic cyclone in August was not responsible for the historic minimum seen soon after in Arctic sea-ice extent.