Tiny bone fragments from Alaska suggest birds started breeding and nesting in the Arctic 30 million years earlier than ...

While many Eastern, Southern and Western states have experienced adverse weather due to the omega block, conditions in the north-central U.S. have remained mild and clear due to the location of the ...

A major disruption to the Arctic polar vortex has bumped the ring of wind that circles the North Pole off its perch and towards Europe, a new animation shows. The migration could trigger colder ...

The company said the polar vortex is a part of Earth's atmosphere that is found over the North Pole. Strong winds typically keep the vortex locked in place, but periodically, changes in the ...

This vortex consists of powerful westerly winds in the stratosphere, about 10 to 30 miles above the North Pole, according to Climate.gov. An AccuWeather graphic shows winter conditions in the U.S ...

The polar vortex is a part of Earth's atmosphere that is found over the North Pole. Strong winds typically keep the vortex locked in place, but periodically, changes in the weather can cause the ...

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 ...

An arctic air mass continued to grip much of the central and eastern United States on Friday, bringing dangerously cold temperatures and "life-threatening" wind chills to millions of Americans. But a ...

It is a normal pattern that is stronger in the winter and keeps some of the coldest weather bottled up near the North Pole. But at times some of the vortex can break off or move south, bringing ...

It is a normal pattern that is stronger in the winter and keeps some of the coldest weather bottled up near the North Pole. But at times some of the vortex can break off or move south, bringing ...

The polar vortex is a region of very strong winds that form a circle around the North Pole. The vortex is located in the stratosphere, the layer above the troposphere (the troposphere is where we ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary between Arctic and more temperate air – dips deeply southward ...