A huge iceberg some 600 square miles — approximately the size of Oklahoma City — is seen calving from an ice shelf.

A Ph.D. student in Antarctica sent his camera more than 300 feet below ground to collect ice that researchers estimate to be over 2 million years old.

A passenger on an Antarctic cruise died and four others were injured after their Viking ship was struck by a "rogue wave," the cruise line said.

The U.S. and Russia are in a showdown for control of the Arctic Circle, and, as global tensions rise, ABC News gets a look inside a state-of-the-art U.S. Navy submarine: the USS Pasadena.

Sir Ernest Shackleton’s ship “Endurance” was found in Antarctica.

Famous ship Endurance, which sank during a 1915 Antarctic expedition, was discovered more than a century later.

Images out of a northern region of Antarctica show a landscape nearly devoid of ice and snow following record-setting temperatures last week.