On a summer’s evening in 2019, Zach Sheldon watched huge chunks of ice break off Valdez Glacier in Alaska as it calved into the lake below. The following morning, the experienced tour guide led his ...

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

This week a European Earth-observing satellite confirmed that a large iceberg broke off of Pine Island Glacier, one of Antarctica's largest and fastest moving ice streams. The rift that led to the new ...

Giant blocks of ice sheared off a wall of Argentina’s Perito Moreno glacier, collapsing with a roar into a Patagonian lake — a spectacle not seen in 18 years. Giant chunks of blue and white ice fell ...

EL CALAFATE, Argentina (AP) — A creak, a thunderous roar, and then the plunge: Argentina’s Perito Moreno Glacier calves several times a day, as hundreds of visitors strain to see which side it will ...

A University of Delaware researcher reports that an "ice island" four times the size of Manhattan has calved from Greenland's Petermann Glacier. The last time the Arctic lost such a large chunk of ice ...

Visitors to the Many Glacier area of Glacier National Park are being asked to be aware of this bear, which has been stalking a cow moose and her calves in the area for more than a week. (Brandy Jelley ...