Add Yahoo as a preferred source to see more of our stories on Google. Record cold temperatures are once again expected to hit a swath of the country this weekend—even plunging Florida into its coldest ...

You've likely heard the term "polar vortex" virtually every winter since it first entered into popular culture during a bitterly cold January a decade ago. The polar vortex is a whirling cone of low ...

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather ...

After last month’s polar vortex collapse, a second one is expected to unleash freezing conditions across North America. With the winter weather phenomenon predictions eyeing a mid-March comeback, ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

January usually brings the coldest air of the season to much of the country, and this year has seen its fair share. “The polar vortex is a core of extremely cold air that typically remains near the ...