The North Pole was above freezing on Sunday after an extreme winter warming event caused temperatures to climb more than 36 F ...

A polar day is when the sun does not set and stays above the horizon for an extended period, while a polar night is when the sun never rises above the horizon. These phenomena are ...

A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward ... Temperatures on Sunday night will be in the teens across ...

All major models agree by Sunday night that upper level flow will be coming ... so it will keep us well below average next week. The polar vortex, a band of strong winds that circles the North Pole, ...

It might be hard to imagine living in darkness for several months at a time, but that's the reality for locations north of the Arctic and Antarctic Circles. During these times, it's referred to as ...