The Arctic sets yet another record low maximum extent

This photograph from a March 27, 2015 NASA IceBridge flight shows a mixture of deformed, snow-covered, first-year sea ice floes, interspersed by open-water leads,...

2016 ties with 2007 for second lowest Arctic sea ice minimum

The National Snow and Ice Data Center (NSIDC) is part of the Cooperative Institute for Research in Environmental Sciences at the University of Colorado Boulder. NSIDC scientists...

Arctic sea ice at minimum extent

Arctic sea ice extent likely reached its annual minimum extent on September 13, 2017. Credit: NSIDC. High-resolution image.Arctic sea ice extent has likely reached...

Scientists find massive reserves of mercury hidden in permafrost

Alessio Gusmeroli and Tim Schaefer drill a permafrost core on the North Slope of Alaska near Deadhorse. Credit: Kevin Schaefer, NSIDC. High-resolution imageResearchers have...

Warming ocean water undercuts Antarctic ice shelves

This is a joint release of the National Snow and Ice Data Center, the Cooperative Institute for Research in Environmental Sciences, the University of...

U.S. and German researchers calculate individual contribution to climate change

This photo is a mosaic image of sea ice in the Beaufort Sea, created by the Digital Mapping System (DMS) instrument aboard the NASA...

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