Scientists revealed Tuesday that they had discovered a vast, hidden landscape of hills and valleys carved by ancient rivers that has been "frozen in time" under the Antarctic ice for millions of years ...

PARIS - Scientists revealed Tuesday that they had discovered a vast, hidden landscape of hills and valleys carved by ancient rivers that has been "frozen in time" under the Antarctic ice for millions ...

The Alaskan Malamute is one of the oldest Arctic sled dogs, developed by the Mahlemut people of Alaska thousands of years ago. Bred for hauling heavy loads across frozen landscapes, they were not ...

Even when it's well below freezing, a few hardy kayakers and canoeists paddle wherever they can on partially frozen rivers or even a lake near Portage where the water's 80 degrees. They dress for it ...

It was almost dark when our expedition leader, Stefan Kindberg, announced that we were about to sail across the Arctic Circle. I went out on the wind-bitten deck to see it. In elementary-school ...

Earlier this week, scientists discovered a vast hidden landscape of hills and valleys, shaped by ancient rivers, under the East Antarctic Ice Sheet. This landscape, which is bigger than Belgium, has ...