Arctic sea ice has large effects on the global climate. By cooling the planet, Arctic ice impacts ocean circulation, ...

From Hudson Bay to the Chukchi Sea, meet 19 polar bear groups and the people racing to protect them as ice disappears.

Arctic sea ice helps cool the planet and influences weather patterns around the world, but it is disappearing faster than ever as the climate warms. Scientists have now developed a new forecasting ...

Despite rapid warming in Svalbard, polar bears have shown increased weight since 2000, possibly due to easier seal hunting ...

US President Donald Trump said last month that the US wanted to seize control of mineral-rich Greenland for “national security reasons”. The threat comes as reduced ice cover opens the potential for ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

How whale watchers can catch a glimpse of the mass migration of beluga whales. The annual great beluga migration is underway, but the whales are facing increasing dangers as the climate warms and ...

The sea threw everything it had at us—massive sheets of ice, bone-chilling winds, and a constant fight to keep moving. This ...

With the departure of the research vessel Polarstern from Punta Arenas (Chile) scheduled for this weekend, the "Summer ...

Something strange is happening to the Antarctic’s sea ice. The areal expanse of floating ice fringing the continent is not only at a record low for this time of year — surpassing a record just set in ...

The bears have not lost weight over the past 20 years in the Norwegian archipelago, despite the region's accelerating warming. Among the reasons: They hunt prey other than seals, such as reindeer and ...