Step inside the strange world of a superfluid, a liquid that can flow endlessly without friction, defying the common-sense ...

The term "polar vortex" gained notoriety back in 2014 due to extreme winter weather, but there's more to this phenomenon than ...

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

Your January to March outlook is here and if you like the weather that we’re ending 2025 with, you’ll like this forecast.

A fresh shot of Arctic air could bring the coldest air of the season for many this week, according to AccuWeather ...

Much of the U.S. will experience the cold weather, with Floridians facing the threat of frost later this week.

Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to ...

A cold front from an expanding polar vortex brought chilly temperatures to North and Central Florida. Temperatures are expected to fluctuate, with more cold fronts arriving late Wednesday and early ...

The northern U.S. is bracing for bone-chilling cold as a weakened polar vortex pushes Arctic air south. How cold will ...

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