A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...

Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson ...

Metro Vancouverites may face unseasonably cold weather as February continues thanks to the stratospheric polar vortex.

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

Credit: Toronto Zoo/Cover Images With North America marking Groundhog Day on Sunday (2February) Toronto Zoo’s polar bears had ...

Winter weather helped to excite participants of the 24th annual Rochester Polar Plunge, as more than 900 participants ...

A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe of ...

When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more ...

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.