Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

The United States has been at the epicenter of the planet’s most unusually cold conditions early in 2025. The polar vortex is to blame.

The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.

But at times some of the vortex can break off or move south, bringing unusually cold weather south and permitting warmer weather to creep up north.

You might have heard the term “polar vortex” thrown around during the winter months, but what does it really mean and how does it affect us here in sunny Central Florida?

DES MOINES, Iowa — The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar vortex invasions, meteorologists warn. And it will ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America’s winter of repeated polar vortex invasions, meteorologists warn.