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

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 ...

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

The polar vortex flooding into the US is set to deliver the coldest air on Earth to the northern half of the country, threatening millions with more dangerous winter conditions. Both snow and bitterly ...

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

Around 17 states witnessed snowfall, with more than a foot of accumulation in some areas. The deep freeze strained energy supplies in some states, and the National Weather Service predicted widespread ...

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two planets host very different types of polar vortices, which are huge atmospheric ...