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

Polar bears can struggle to adapt to climate change. Bears on Svalbard may be surviving on land prey and seals — but scientists warn it may not last.

The bears began feeding on alternative food sources, researchers found.

In a warming world, the polar bear has become the unofficial mascot of ecological collapse. We’ve all seen the photos of ...

Scientists discover a tipping point that took place in 2000, where El Niño’s effect on sea ice loss in Siberia was amplified.

Polar bears are in better physical health than 25 years ago - despite sea ice losses, reveals new research. The well-being of ...

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

Learn how polar bears in the Arctic’s Barents Sea are maintaining healthy fat reserves despite sea ice loss in a warming ...

A pair of US researchers have developed a new model to tackle a deceptively simple problem: how a small block of ice melts while floating in calm water. Using an advanced experimental setup, Daisuke ...

When it comes to global warming and climate change, we often hear news stories about tipping points where Earth's systems shift into a new and dangerous state. One such may have been reached in the ...

A luxury cruise ship carrying hundreds of passengers found itself trapped in thick Antarctic sea ice over the weekend—until ...

Polar bears are healthier, with more fat reserves, than they were 25 years ago, despite a decrease in Arctic sea ice around Svalbard islands.