The Arctic Ocean may be the world's smallest, but it's becoming a critical region as climate change warms it more quickly than anywhere else on Earth.

STATEN ISLAND, N.Y. — You may need to get a new map. National Geographic announced it would now officially recognize a new fifth ocean -- the Southern Ocean. Cartographers at National Geographic ...

National Geographic announced it was recognizing the body of water encircling the Antarctic as the Earth's fifth ocean: the Southern Ocean.

National Geographic, one of the world’s pre-eminent and most visible mapmaking groups, has officially decreed the existence of a fifth ocean. Called the Southern Ocean, it’s the body of water ...

The upcoming 10th edition of the National Geographic atlas shows less Arctic ice—one of the most striking shifts in the publication's history.

National Geographic announced that it's officially recognizing the body of water surrounding the Antarctic as the Southern Ocean.

Watch the Arctic get smaller via National Geographic maps By Heather Ciras Globe Staff,August 10, 2015, 3:32 p.m.

The 10th edition of its world atlas is “one of the most striking changes in the publication’s history,” National Geographic ‘s Christine Dell’Amore writes.

Over those 106 years, National Geographic has listed four oceans on Earth — the Atlantic, Pacific, Indian and Arctic. Now, their maps are getting an update, as the famed publication recognizes a ...

The Southern Ocean stretches from Antarctica's coastline to 60 degrees south latitude, excluding the Drake Passage and the Scotia Sea, according to the National Geographic.

National Geographic, one of the world’s pre-eminent and most visible mapmaking groups, has officially decreed the existence of a fifth ocean. Called the Southern Ocean, it’s the body of water ...