In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

December might be extra chilly across parts of the United States because of a weather phenomenon unfolding miles above the North Pole. It’s called sudden stratospheric warming and happens once every ...

An extreme warming event high in the atmosphere is threatening to disrupt the polar vortex. We break down what that could mean for Canadians A rare, early, stratospheric warming event could shake up ...

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 ...

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 ...

A harsh drop in temperatures is being delivered to the eastern two thirds of the country thanks to a polar vortex dipping down from the Arctic. Record cold high temperatures on Monday and Tuesday are ...

In today’s information-driven society, there’s an ever-increasing preference to measure phenomena such as temperature, pressure, light, force, voltage and current. These measurements can be used in a ...

Fram2 crew was surprised to not see any evidence of human activity at the South Pole from 285 miles above. For the first time in history, a crew of four people are getting to see Earth's North and ...

Polar bears are struggling to survive as sea ice dwindles. Scientists have now quantified how much climate change has drastically reduced the number of polar bears living in Canada's Hudson Bay, the ...

A powerful polar vortex is set to grip much of the United States next week, as seen on a map, with meteorologists predicting plunging temperatures and widespread disruptions. So far, this winter has ...