In the Arctic, this year’s maximum ice extent was 31,000 square miles smaller than the previous record, Perovich said — representing enough lost ice to cover the entire state of South Carolina.

Since 1979, when satellite records began, Arctic temperatures have risen nearly four times faster than the global average.

As the frozen ground warms much faster than expected ... near the mouth of the Kolyma on the Arctic Ocean. The site had originally been occupied by a transit station for prisoners bound for ...

Show more At the top of our planet lies a magical realm, the Arctic Ocean. After four months of winter darkness, the sun returns to reveal a frozen ocean covered in ice. Mother polar bears emerge ...

Gearing up: I’ll be photographing a team of extreme adventurers mountain biking across the frozen Arctic Ocean in Canada. I’ll be on a snowmobile, which is still hard work, so I need to get in ...

At the top of our planet lies the Arctic Ocean - a shape-shifting world of ice and water, home to unique animals like polar bears, harp seals and bowhead whales. Take this quiz to see how much you ...

Combined Arctic and Antarctic sea ice cover -- frozen ocean water that floats on the surface -- plunged to a record low in mid-February, more than a million square miles below the pre-2010 average.

Combined Arctic and Antarctic sea ice cover -- frozen ocean water that floats on the surface -- plunged to a record low in mid-February, more than a million square miles below the pre-2010 average.