The biggest swings in the jet stream are associated with the most energy. Under the right conditions, that energy can bounce ...

Watch as a massive bowl of Arctic air is set to bring extreme, potentially record-breaking cold temperatures to parts of the ...

What is the Polar Vortex? The polar vortex is a large area of low pressure and cold air surrounding the Earth's poles. Normally, this cold air remains contained within the Arctic Circle, but ...

A massive winter storm driven by a weakened polar vortex has swept across the United States, killing at least seven people ...

A powerful winter storm, influenced by a polar vortex, is impacting much of the U.S., bringing heavy snow, ice, and extreme ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States. This week, ...

This week’s frigid weather isn’t expected to be a brief cold snap to be taken lightly. Residents would be best advised to be ...

Last week, residents in Russia’s Far East were buried by the heaviest snow in about 60 years. The snow and very cold weather ...

Some places could be colder than -40 C! 🥶 ...

This week’s frigid weather isn’t expected to be a brief cold snap to be taken lightly. Residents would be best advised to be ...

A crippling winter storm that could paralyze parts of the Southern and Central U.S. this weekend, and some of the effects ...

Scientists are closely monitoring changes in the polar vortex and what they could mean for Earth over the next decade. Shifts ...