The Arctic ice cap shrank so much this summer that waves briefly lapped along two long-imagined Arctic shipping routes, the Northwest Passage over Canada and the Northern Sea Route over Russia.

The Navy runs submarine exercises beneath the sea ice off Alaska's northern coast. But until last year, no U.S. aircraft carrier had ventured above the Arctic Circle in almost three decades.

As the polar ice caps continue to shrink, there’s more open waterway for even more ships to make the journey to see them—before it’s too late.

In a lawsuit filed August 4, Alaska emphasizes the scientific evidence showing polar bears are not threatened by predicted global warming and any future retreat of the Arctic polar ice cap.

Aurora Borealis (1865) by Frederic Edwin Church This masterful panorama is one of the world’s best-known polar landscape paintings.

Dwindling solar winds allowed “an intense flux of electrons” to reach the atmosphere, creating the polar rain aurora.

The Alaska Railroad Aurora Winter Route is a beautiful experiences connecting Anchorage and Fairbanks in the off season. Epic sights, wildlife and great dining make this a surprising and ...

Just like expensive carbon fiber, sea ice has a complex composite structure that mathematicians recently deciphered, and the results are inspiring everything from concepts for new materials to a ...

Arctic ice at the North Pole melted at a record rate in the summer of 2007, the latest sign that climate change has accelerated in recent years, climate scientists said on Wednesday.

Limbaugh: 'Polar vortex' is made up, yet still proof the ice caps aren't melting Those images of polar bears stranded atop tiny glaciers, looking very sad about their melting home in the North ...

Børge Ousland, a polar explorer currently attempting to ski across the world's twenty largest ice caps together with french adventurer Vincent Coliard to document climate change effects ...

(Corrects word in fourth paragraph to "sheet" from "sheath") By Amanda Beck SAN FRANCISCO, Dec 12 (Reuters) - Arctic ice at the North Pole melted at a record rate in the summer of 2007, the latest ...