Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

If someone asked you, “Where can I go in the United States to escape the frigid air this January?” what would you say?

In a statement explaining its decision, the AP said Trump has the authority to change the mountain’s name, but the gulf is a global name ...

Unprecedented snowfall hits the U.S. South. Discover how this winter storm is setting new records and causing rare blizzard ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

The mere mention of the term "polar vortex" can set your head spinning (and maybe eyes rolling). It’s got to be clickbait, right? Or maybe someone dreamed up the name for views? Is it a storm?

What’s shaping up to be the most expansive polar vortex in over a decade is about to plunge much of North America, including nearly all of Canada, into the coldest temperatures the country has ...

Intense snowy wintry weather in the US has been fuelled by activity of the polar vortex, slipping down to engulf large parts of the country. Early January's winter storm prompted seven states to ...