A rare atmospheric collision is poised to deliver unprecedented Arctic air across North America in December 2025. On November ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they work.

An unprecedented polar vortex disruption is bearing down on North America, with MIT climatologist Judah Cohen warning that ...

Clusters of powerful winter storms have been made more likely by an “intense swirling vortex of winds” miles above the Arctic, scientists have found. A team of researchers from the Met Office and the ...

The polar vortex could be disturbed in a way that hasn't happened this early in 25 years.

In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

This historic cold wave is expected to sweep across the northern and eastern parts of the country, causing widespread ...

U.S. natural gas futures spiked to their highest levels in nearly three years as models now show a frigid first half of December across the Lower 48 ...

The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills ...

For folks who long for cold, the weeks after Thanksgiving might just be a tease for some intense Arctic cold that could ...