Across the Northern Hemisphere, familiar seasons are starting to feel unfamiliar. Heat waves linger, cold snaps arrive out of ...

There's a confounding dilemma for many folks trying to make sense of winter weather in the context of climate change.

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 ...

Decades of advances in satellite observation made it seem as though Arctic snow cover was growing, when in reality satellites ...

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

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

The US is a nation divided, with frigid conditions, snow and ice entrenched east of the Rockies all the way into Florida, and record warmth and paltry snowfall in the West.

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

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

An Arctic farming experiment reveals that carbon losses from peat soils are not fixed, but highly sensitive to how water is ...

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

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