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 ...

Scientists have long opposed polar geoengineering. Some now believe it will be necessary.

Despite severe ice loss due to global warming a study shows one Arctic polar bear population is adapting and growing.

New studies show how algae grows on ice and snow, creating “dark zones” that exacerbate melting in the consequential region.

Track everything from current conditions, forecast timing and potential impacts from the winter storm and latest arctic blast ...

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

Researchers at Concordia have developed a new method of measuring the amount of usable water stored in snowpacks. The ...

Polar bears that live along the Barents Sea near Svalbard -- the archipelago between Norway and the North Pole -- appear to be thriving, despite the region experiencing some of the most drastic sea ...

The finding offers a small window of hope for a polar bear population vulnerable to the effects of climate change.