Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

An unusually brutal winter storm is set to pummel more than 160 million Americans from Friday, as a stretched "polar vortex" ...

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 ...

Winter Storm Fern is a stark reminder that the Trump administration's attempted cuts to weather related research impacts the ...

So last year, Chalif led a study that used machine learning to analyze climate records stretching back to 1901. The team ...

A severe winter storm in January 2026, impacting the U.S. from Texas to New England, highlights the dynamic role of the stratospheric polar vortex. Despite global warming, intense winter storms ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

The North Pole is surrounded by a massive circular upper-air weather phenomenon in the Arctic called the polar vortex. It is ...

The term "polar vortex" has gained popularity in recent years, but the phenomenon itself is not new. According to the U.S. National Weather Service, the polar vortex refers to the counterclockwise ...

As the polar vortex descends upon Quebec this weekend, residents are bracing for the coldest weather of the season. With wind chill values plummeting to nearly -35°C, the city of Montreal is ...