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 ...

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 ...

When a polar bear kills its prey, it’s not the only one who gets to reap the bloody benefits. Many of nature’s apex predators guard their dinner from scavengers until they’ve gobbled up every last ...

Instead of plotting the histogram bins as wedges, they are plotted as straight bars. The histogram bins can have error bars. The radius-axis scale is shown as a ...

Louise Archer receives funding from Polar Bears International. She is affiliated with University of Toronto Scarborough and Polar Bears International. This study was performed in collaboration with ...

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 ...