Arctic sea ice has large effects on the global climate. By cooling the planet, Arctic ice impacts ocean circulation, atmospheric patterns, and extreme weather conditions, even outside the Arctic ...

Polar bears need ice for their long term survival as less or shrinking ice forces these creatures to travel long distances in ...

These polar bears appear to be maintaining their physical health despite the loss of sea ice—their preferred hunting grounds ...

An unusually brutal winter storm is set to pummel more than 160 million Americans from Friday, as a stretched "polar vortex" sends a devastating blast of Arctic air, bringing heavy snows and freezing ...

The Arctic is not just getting warmer. It is starting to behave in new manners in ways that are dangerous for nature. For ...

Earlier research has shown that the Arctic is warming significantly faster than the rest of the planet, leading to reductions ...

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

Purposefully sinking boreal trees could help lock away carbon for millennia or longer, but the audacious plan comes with ...

Trump’s anti-climate policies have already been damaging to the Arctic and global climate protection. Now his deeply ...

A population of bears in Norway’s Arctic is confounding scientists’ expectations, getting fatter and healthier even as the sea ice melts rapidly.

For most of their evolutionary history, narwhals have relied more on sound than sight to survive in the Arctic’s dark icy ...

When ConocoPhillips won federal approval last year to explore for oil in the Alaskan Arctic, environmental groups warned the ...