A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map makes clear which regions are most exposed. Forecast models show a sharp ...

Arctic air surges in this weekend, bringing possible heavy snow and dangerous cold. Snow could arrive Saturday evening with the storm’s peak on Sunday and possible mixing south of D.C. Arctic air ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) The snow season is dramatically shorter today, sea ice is thinning and melting earlier ...

The figure shows the delta of the river Lena, one of the largest rivers in the world. The river is visible in bright yellow, as it splits and divides into many different channels before meandering ...

Reykjaviik, Iceland — As rising global temperatures speed up the melting of sea ice in the Arctic Ocean, it's set off a boom of ships taking routes that previously were frozen and not traversable. The ...

Persistent warming in the Arctic is pushing the region into “uncharted territory” and increasingly affecting the continental United States, scientists said Tuesday. “We’re seeing this continued ...

Klaus Dodds does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

CHARLOTTE, N.C. (WBTV) - Icy roads lingered Monday morning in the Charlotte region as dangerously cold Arctic air moved into the area following a weekend winter storm. As freezing rain and sleet have ...