During winter in the Northern Hemisphere, the polar vortex can often expand and send cold air south, often referred to as an ...

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

A winter buzzword, explained.

The sudden blast may come as a shock to many Americans after a mostly mild start to winter, but that warmth may be partly ...

While the Northeast braces for another frigid polar vortex, Oklahoma will experience unseasonable temperatures. Here's when ...

Today we look at the first msi Vortex G65 6QF to enter the UK. Read full review with benchmarks here: ...

A severe winter storm that brought freezing rain, sleet and snow to a large part of the U.S. was intensified by the polar ...

The North Pole is surrounded by a massive circular upper-air weather phenomenon in the Arctic called the polar vortex. It is ...

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

The cold weather is here to stay in South Jersey, at least until mid-February. A polar vortex is expected to keep arctic air flowing into the area for the upcoming days, causing sustained cold and ...