A polar vortex collapse could bring extreme cold and travel disruptions to North America and Europe in mid-March. Newsweek's live blog is closed.

Scientists say it’s being caused by a misbehaving polar vortex combining with a key weather pattern that seems to be stuck in place. Some scientists say these factors and this winter could be ...

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 has taken on an unexpected pattern ... Pennsylvania, Maryland, Virginia as well as Washington D.C. While hats, gloves and scarves may have become as normal as morning coffee ...

Scientists say it’s being caused by a misbehaving polar vortex combining with a key weather pattern that seems to be stuck in place. Some scientists say these factors and this winter could be examples ...

Snowy roads led to hundreds of crashes throughout Virginia and North Carolina, including a series of crashes on an interstate highway involving more than 50 vehicles. Officials continued to ask ...