Columbia Glacier in Prince William Sound, once grounded on the ocean floor, three years ago spawned a floating arm, say scientists who have been studying it. As a result, the glacier began shedding ...

Far beneath the polar night, the front of Antarctica’s most feared ice stream is shuddering with a new kind of warning signal ...

An Argo ocean float was lost in the Antarctic for months under the Denman and Shackleton ice shelves, and it returned with ...

A glacier larger than Spain could raise sea levels dramatically after scientists found more of it is being melted by seawater than previously thought. Antarctica's Totten Glacier could increase sea ...

The Antarctic seafloor is one of the last truly unseen places on Earth, and the machines we send into that darkness are ...

The Thwaites Glacier, located in West Antarctica and popularly nicknamed the “Doomsday Glacier,” holds enough ice to raise ...

A floating "tongue" of ice in one of Greenland's biggest glaciers suffered a bad break in 2012, releasing an iceberg about the size of Manhattan. Now, new cracks in the glacier hint that another ...