It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a ...

The sudden winter chill came thanks to the polar vortex, an area of low pressure and cold air in the Arctic near the North ...

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 easy answer is a deep southward dip in the polar jet stream that typically rings the globe at higher latitudes but is ...

The polar vortex is area of fast-moving winds well above the Earth’s surface and the jet stream that circle the Arctic during the Northern Hemisphere’s coldest months. When it’s strong ...

The polar vortex has taken on an unexpected pattern this winter - one that’s made part of the United States the most ...

Harsh weather moved west on Monday as a polar vortex was expected to grip the Rockies and the northern Plains after winter ...

Polar vortices exist throughout the year at the poles. In the Northern Hemisphere, the polar vortex expands many times over the winter, pushing cold air south with the jet stream.

The polar vortex, as explained by the National Weather Service, is a large area of low pressure and cold air that encircles ...

The National Weather Service has issued extreme cold warnings for millions of Americans from the Canadian border to Texas.