To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

The sudden blast may come as a shock to many Americans after a mostly mild start to winter, but that warmth may be partly ...

A 2025 satellite image shows a series of ghostly ice swirls sculpted on the surface of Lake Michigan by strong winds during an extreme cold snap that covered Chicago in a blanket of snow.

A rare and exceptionally early disruption of the polar vortex is sending brutally cold air across much of the United States, marking one of the earliest notable polar vortex disruptions observed since ...

A winter storm descending on the US is expected to deliver heavy snow and ice to more than 150 million people across roughly ...

Ontario may be one of the coldest places on the planet this Friday as an airmass is expected to be centred over the province, ...

Jupiter and Saturn's different polar storms reveal clues about planet interiors: Saturn has harder bottom than Jupiter.

Powerful winter storms which led to deaths and power outages in the UK and Ireland were made more likely by an intense swirling vortex of winds miles above the Arctic, say scientists. Powerful winter ...

Jupiter and Saturn host strikingly different polar storms, despite being similar giant planets, and scientists have long wondered why. New simulations suggest the answer may lie deep below the clouds.