Impact on North America's weather in March - An in-depth look at the forecasted polar vortex collapse and its potential ...

It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

Weather analysts are divided over the polar vortex’s influence on weather and what that means for the rest of this year’s winter.

ABC News follows 22-year-old Tala Herzallah on her journey back to northern Gaza to discover her home and university ...

A lobe of the polar vortex, a ring of freezing air typically found near the North Pole, will once again move into the central ...

A powerful polar vortex collapse is forecast to hit within weeks, bringing a dramatic shift in weather conditions across the United States and Canada. Meteorologists predict the event will unfold in ...

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

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...

Is this stream of cold air "a polar vortex?" Not in the truest sense of the word, scientists say. This week the actual polar ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...

The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can ...