A winter storm descending on the US is expected to deliver heavy snow and ice to more than 150 million people across roughly ...

High above the Arctic, scientists are tracking a major change in the atmosphere this January, an event similar to what ...

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

Strong winds, frigid temperatures, and snowfall moved across several states during the course of the last few days, and for many, this latest storm marked the first impactful snow of the season.

Grab your coats, it's getting chilly. A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days. The polar vortex will ...