After this weekend's snow storm moves out, cold Arctic air will move in.

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

An unusually brutal winter storm is set to pummel more than 160 million Americans from Friday, as a stretched "polar vortex" sends a devastating blast of Arctic air, bringing heavy snows and freezing ...

The debate around the Arctic is becoming hotter than ever as US President Donald Trump insists Greenland should become part ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of the United States. Scientists are monitoring the event closely, as the ...

An abundance of natural resources, faster trade routes and military advantages have powers around the globe vying for a slice ...

A disruption in the polar vortex centered over the North Pole will allow for areas of bitterly cold air to escape the Arctic region and move into the U.S. Under stable conditions, arctic air usually ...

On Friday, Italy's right-wing government, under Prime Minister Giorgia Meloni, unveiled a new commercial strategy for the ...

Bitterly cold temperatures have hit the Greater Toronto Area, and while there's a brief reprieve on Wednesday, the chilly ...

These five installations are the unsung heroes of Arctic defense. Discover their critical roles.