A new study links cold snaps in North America to changes in the polar vortex. The vortex, a low-pressure zone over the Arctic ...

If you live in the northern United States or Canada, you’ve probably come to dread the phrase “polar vortex” when it’s uttered by a meteorologist during the winter months. Think brutally cold air, ...

One new study identifies a 17% increase in the destructive potential of the strongest nor’easters, while another bolsters ...