Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

Stratospheric polar vortex changes still trigger brutal U.S. winter cold snaps and extreme weather despite a warming climate.

In recent years, scientists have raised alarms about the potential collapse of key ocean currents in the Atlantic, with ...

A cloudy morning on Saturday could keep high temperatures slightly cooler on the Front Range with highs in the mid-80s. Storms favored south of Denver.