Every winter, millions of people brace for news about the polar vortex - that vast, spinning mass of frigid Arctic air high in the stratosphere that occasionally escapes its usual boundaries and ...

GRAND RAPIDS, Mich. (WOOD) — Bitterly cold conditions can be a result of more than one thing, and in the case of January’s deep freeze, the blame shouldn’t rest on the polar vortex. The polar vortex ...

This winter, the Northern Hemisphere has been suffering from extreme cold. In South Korea, an unusually prolonged cold wave has continued even after the traditional coldest day of the year, Daehan ...

Global climate models capture many of the processes that shape Earth's weather and climate. Based on physics, chemistry, fluid motion and observed data, hundreds of these models agree that more carbon ...