It’s a pattern responsible for holding back the coldest temperatures on the planet. The lowest readings ever recorded in Canada and around the northern hemisphere occurred when this Arctic feature ...

Nearly all of New England has seen its share of frigid cold days and record mountain snow so far this November — and looking ahead, we’re about to get hit with another blast of Arctic air from a ...

Add Yahoo as a preferred source to see more of our stories on Google. When most people hear the term polar vortex, they think of extreme cold, dangerous wind chills and relentless winter weather.

In the game of survival, you can't always go it alone. Tiny algae living in the harsh conditions of the world's polar oceans ...

It seems like you cannot mention cold weather in the fall and winter without coming across the phrase “polar vortex.” Meteorologists often refer to this weather element as a potential culprit behind ...

High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

Viruses are usually known for causing disease. But new research suggests that in some organisms, viral DNA may actually help ...

Snow flies beat the cold by acting like a mashup of Arctic fish and polar bears.