A diamond-shaped piece of ice is a stranger amid thin ice.
Published Mar 1, 2017New elevation measurements will give researchers an unprecedented understanding of the thickness of sea ice, which will be used to help improve climate modeling and forecasts.
Published Dec 18, 2018As a result of the collision, blocks of ice slide above and below each other in a pattern that resembles a zipper or interlocking fingers.
Published Nov 22, 2017Thin sea ice swirled along the east coast of Greenland in October 2012, against a backdrop of overall thinning sea ice.
Published Oct 27, 2012These 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, 2010Winds pushed Antarctic sea ice north of its typical location in February 2013.
Published Mar 1, 2013The 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, 2014Filaments of sea ice stretch across the waters off southern Greenland, an area that is typically ice-free.
Published May 18, 2019In 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, 2016A mixture of ice types exists where frozen water meets open water.
Published Mar 11, 2015Areas of new sea ice are visible in the vicinity of the Larsen C ice shelf off the Antarctic Peninsula.
Published Jan 2, 2018In September 2011, the extent of sea ice covering the Arctic Ocean declined to the second-lowest extent on record.
Published Oct 5, 2011As the Arctic experienced a new record summer minimum for ice extent, the Antarctic set a new record for maximum winter sea ice.
Published Oct 11, 2012In April 2016, unusually warm temperatures and heavy winds broke the sea ice pack to pieces.
Published May 20, 2016The structure that prevents sea ice from exiting the Arctic Ocean through the Nares Strait crumbled months earlier than usual.
Published Jun 26, 2019Starting out as land ice, these icebergs are now trapped in sea ice off the east coast of Greenland.
Published May 13, 2018Acquired October 7, 2011, this natural-color image shows an ice menagerie off the coast of East Antarctica.
Published Oct 23, 2011