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

Several of the provisions in the law are not permanent, and will expire in 2028.

Despite rising sea surface temperatures across the globe, the emergence of an Atlantic Niña has brought cooler waters to ...

El Niño and La Niña are absent from the Pacific Ocean this summer—but that could change over the next couple of months.

In A Nutshell A major study of 42 years of data shows severe winter storms have shifted northwest, away from the traditional ...