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 ...

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

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

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

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

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

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 ...

In the tropics, the border between troposphere and stratosphere—the tropopause—sits at around 20km, far above any normal ...

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

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...