The arctic outbreak that has enveloped the central U.S. is hitting its peak Thursday as frigid temperatures continue to spread south and east across the nation.

The polar vortex’s icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.

Polar vortices exist throughout the year at the poles. In the Northern Hemisphere, the polar vortex expands many times over ...

The Arctic will be busier than normal this spring, with several manhauling and kite-skiing expeditions. Here are some of ...

A severe cold wave, driven by a polar vortex, has struck the central and northern U.S., leading to dangerous temperatures and significant snowfall. At ...

Participants get to experience the thrill of living like ancient Arctic explorers (though with some modern comforts thrown in ...

Earth may become uninhabitable in 250 million years due to a superheated supercontinent, Pangaea Ultima, with soaring ...

The US faces severe cold weather, with the National Weather Service forecasting life-threatening conditions and ...

"polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region, enveloping the North Pole.

The tenth and coldest polar vortex of the season is blasting across the US this week. More than 58million Americans are under ...

The biggest weather impact during Monday and Tuesday will be the combination of very cold temperatures with a gusty wind, ...

The National Weather Service warned of “life-threatening cold” into Tuesday, with temperatures in northeastern Montana ...