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

The easy answer is a deep southward dip in the polar jet stream that typically rings the globe at higher latitudes but is ...

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

The polar vortex, a pattern in the Arctic region, is causing extreme cold weather in the US and Europe. Despite this, the world is warming, with January setting a monthly heat record. Climate change ...

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

A "polar vortex" is bringing intense cold and heavy snow to large swaths of the US and Canada. How is this winter weather related to climate change? Large parts of the United States and Canada are ...

Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and ...

Whether or not it’s connected to climate change, the pattern is still rearing its head this winter and it’s working in tandem with the polar vortex. The jet stream and frigid air just could ...

recent years have seen more polar vortex stretching events and that may be connected to an Arctic that is warming four times faster than the rest of the globe with human-caused climate change ...