In the coming weeks, cold air will continue for parts of the U.S. thanks to the influence of the polar vortex.

Part of Pine Island Glacier collapsed several years ago, forming an unstable inlet where no ship had sailed. Until now.

Here’s the wind chill chart. Notice the four shadings, indicating how long it will take for frostbite. When we get to wind ...

A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

Yet much about the landscape under the ice has been uncertain, because ground and air surveys are difficult in the region.

As the Earth warms, new shipping routes from one side of the globe to the other are opening around Greenland, making the vast ...

The year was 1845. Many cartographers and some Arctic explorers in the early 1800’s believed there was a way to sail from ...

Greenland’s remote eastern fjords are a place of elemental beauty, where glaciers carve through the land, musk oxen roam ...

The world’s polar bear population is projected to decline by two-thirds by 2050. A new study from the University of East Anglia suggests that polar bears are undergoing rapid genetic changes, and ...

Researchers tracking wild polar bears in northern Canada have witnessed something exceedingly rare: a mother bear adopting a cub that was not biologically her own. The five-year-old mother bear and ...

With climate change steadily dismantling the icy habitat essential to their existence, new research suggests polar bears are rapidly rewiring their own genetics in a bid to survive. The species is ...