As the polar vortex stretches its icy grip, America braces for a winter like no other. Discover the forces behind this ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar ...

While the astronomical change of seasons is related to Earth's ... amount of light the year through. During the Winter Solstice, the North Pole is tilted at around 23.4 degrees away from the ...

The North Pole was above freezing on Sunday after an extreme winter warming event caused temperatures to climb more than 36 F (20 C) in the high Arctic. Skip to main content Open menu Close menu ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

The part of the world where we live lies exactly halfway between Earth’s equator and the North Pole. Mid-latitude locations like Minnesota’s feature distinct seasons in which the ...

Are we stuck in a never-ending pattern of cold air in Western Canada? Find out when this cold snap will end across the West ...

Here's how the polar vortex, and climate change, influence extremely cold winter weather in the US. Intense snowy wintry weather in the US has been fuelled by activity of the polar vortex ...