Arctic sea ice has experienced its maximum extent for the year, reaching 14.48 million square kilometers (approximately 5.59 million square miles) on March 17—the second smallest in the 39-year satellite record. The provisional...

Two of Antarctica’s glaciers are holding our civilization hostage, meteorologist Eric Holthaus wrote in a piece for Grist. Pine Island and Thwaites are among the continent’s biggest and fastest-melting glaciers – and...