NASA's monthly Puzzler is meant to puzzle readers; this one has the experts puzzled as well.

A team of scientists have developed a novel way to determine the age of these long-lived marine animals.

Looking to reduce waste, increase local food security and create a "circular economy," this permaculture project is growing food in the Arctic.

Researchers discover how Arctic foxes modify their dens to make the surrounding land more fertile.

A rise in Arctic storms has more than doubled the number of winter warming events, which could greatly impede ice growth.

The Gwich'in people have been fighting this battle for decades, and now they need broader public support. Learn how you can help.

This week, delegates are meeting to determine the fate of a proposal to protect part of the Arctic. This pianist's moving performance urges people to show their support.

Take a breathtaking 9-minute journey with wildlife photographer Vincent Munier through the beautifully bleak frozen North, you won’t be sorry.

More good news for the Arctic as the Obama administration pushes off further offshore drilling in Alaska.

Today, Shell announced it will abandon exploratory drilling off the coast of Alaska.

Activists risk arrest in an effort to prevent slow oil drilling exploration in the Arctic.

Braving polar bears and subfreezing temperatures, years of preparation pay off for a University of Hawaii astronomy team.

The U.S. Fish & Wildlife Service has asked pilots to avoid flying too close to a group of about 35,000 walrus gathered on an Alaskan beach.

Tens of thousands of walrus haul out on Alaska’s shore.

Actors Emma Thompson and Michelle Thrush are traveling with their daughters to the North Pole, as part of an Greenpeace campaign to create an international sanctuary in the Arctic.

The map-makers are calling this the biggest change that they had to make since the breakup of the U.S.S.R.!

The graph says it all...

One of the perverse effects of climate change, and of the fact that the poles are warming up faster than the rest of the planet, is that Arctic sea ice is retreating more than we've ever seen before, opening up the Arctic sea to oil shipping and drilling.