A displaced polar vortex is expected to bring dangerously cold temperatures to much of the U.S. The arctic blast is driven by a weakened polar vortex, which allows frigid air to move south from the ...

Don't put away that winter jacket just yet. The polar vortex is expected to be impacted by a sudden warmup of the stratosphere, which will bring freezing temperatures to the Northeast this weekend and ...

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Severe temperatures are expected to dominate most of the country in the coming days, with single-digit temperatures forecast for parts of the Northeast. Overall, temperatures will begin to warm in the ...

Polar bears have been getting fatter even as sea ice disappears in Norway’s Svalbard archipelago, the fastest-warming place on Earth – but scientists don’t expect the good times to last. The northern ...

PARK CITY, Utah — In the snowy subarctic wilds of northern Manitoba, the Inuit have a word for polar bears who’ve lost their fear of being around humans: avinnaarjuk, or “nuisance bear.” That’s a ...

The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit temperatures are forecast for much of the Northeast, and subzero ...

Mathew Barlow has received federal funding for research on extreme events and also conducts legal consulting related to climate change.. Judah Cohen does not work for, consult, own shares in or ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all scientists agree. By Eric Niiler The polar vortex is a ribbon of ...

As the Great Lakes region braces for a predicted near-record cold this weekend, Michiganians are again cursing the dreaded "polar vortex." But what exactly is this meteorological menace? And why is it ...

The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma could see snow, sleet and ice. As of Wednesday, Jan. 21, millions of ...