With a world speed record in sight, Jimmy Graham checked in from his Arctic Ocean adventure: 'It's been raining nonstop for ...

Rising temperatures in the North Atlantic are slowing vital currents, but a new process in the Arctic could save the day, ...

The skyscraper-sized piece of ice is approaching Innaarsuit, where authorities are encouraging families not to go in a group ...

Satellite imagery has revealed a yet-to-be-explained rise in the Southern Ocean's salinity. It could be a key factor in the decline of the region's sea ice.

Rear Adm. Bob Little is the new commander of the Coast Guard in Alaska, just as the big budget bill passes the president's ...

Scientists call for better protection of Antarctica’s vulnerable seafloor ecosystem as ship traffic increases around the continent.