There are plenty of seals in Unalaska, but ringed seals -- who make their homes on the ice -- are rare.

From Massachusetts to Virginia, the East Coast was pounded by a storm that threatened to break records. Nearly two million people lost power.

Last Tuesday, February 20, residents of Little Diomede have seen the impossible. Instead of looking out at a frozen seascape of ice, they witnessed open water and high surf crashing onto the shores and coming up beyond the high water line.

As its vital snowpack shrinks and droughts intensify, Californias giant $50 billion agricultural industry is at a crossroads: how to keep feeding the nation while adapting to the reality of …

With schools and parks in the city closed for the day, and hundreds of shops shuttered, many Romans took the unexpected blanket of white in cheerful stride.

The Svalbard Global Seed Vault celebrates its first decade in operation by accepting its millionth sample—and a grant for work to keep those samples safe despite melting permafrost.

Arctic temperatures are warmer than ever recorded in February.

Rome covered in rare snowfall

Last week, social media across Western Alaska lit up as residents posted photos and videos of open water where, normally, there's ice.

As global temperatures rise, the lives of countless plants and animals are changing in response. That includes king penguins, which a new study predicts will see profound, climate-driven changes in their numbers and the location of their breeding grounds over the next century.

In the depths of the long night that cloaks the Arctic in frigid darkness for three months each winter, a surprising patch of open water appeared, just to the north of Greenland.

The weather was warm and the ice was late in coming, so Dennis Davis set up a piece of equipment unknown to his Inupiaq forebears: his drone.

Winter sports tourism pumps about $11 billion in direct spending into the U.S. economy each year but is at risk of being decimated by climate change, according to the advocacy group Protect Our Win…

The seven-year-long work on the system shows that West Antarctic ice sheets are melting at a rapid rate.

Rough seas and moving sea ice.

Canada loves its ice, and outdoor hockey is part of the nation's cultural identity. So what happens when winters get too warm for backyard rinks?

When there's no snow, there's no need for their winter whites.

The world’s permafrost holds vast stores of carbon. What happens when it thaws?

The route of the Yukon Quest traverses Lake Laberge for the first time in decades, and that's not the only dog sled race affected by the changing climate.