A salty surge in the Southern Ocean is melting Antarctic sea ice from below — and causing dramatic changes scientists didn’t ...

Scientists have found evidence that the Asian continent was free of permafrost all the way to its northerly coast with the ...

A new study challenges the idea that climate change is behind the erratic wintertime behavior of the polar jet stream, the ...

This year, however, two sudden atmospheric warming events in July disrupted the Polar Vortex and prevented the concentration of CFCs above the South Pole – leading to a smaller ozone hole.

Scientists first identified a vortex—a mass of whirling air or fluid—high above Earth’s North Pole in the early 1950s, and they later discovered that vortices appear every winter over both ...

The Arctic polar vortex is a circle of strong, cold winds that picks up every winter over the North Pole. The vortex is always present, but it strengthens in the winter due to a redistribution of ...

The Antarctic Treaty Parties govern Antarctica and the region below 60° south latitude, coordinate international research activities in the region, and provide scientific advice to guide legislation.

On Wednesday, Chicago will be colder than parts of Antarctica, Alaska and the North Pole. The Windy City's "high" temperature on Wednesday should be around 10 below zero, while the overnight low ...

Simple physics suggests changes to polar vortex and jet-stream patterns are logical responses to the dramatic changes humans have caused to Earth’s natural systems, said Andrew Dessler, director ...

An urgent warning has been issued for 235 million Americans as a 'life-threatening' polar vortex will drop temperatures as low as -50F. The bitter cold is set to hit Monday and linger until ...

MINNEAPOLIS, Minnesota — Our entire region is under an Extreme Cold Weather Warning until 12 p.m. Tuesday; wind chills could fall as low as -45 degrees. This Arctic blast is thanks to a polar ...

The coldest weather of the season to date will be due to a phenomenon called a polar vortex, an upper-level jet stream that typically circulates around the North Pole and South Pole, but can push ...