A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by treacherous conditions.

Storm Blair has already caused four deaths after crashes that occurred due to dangerous conditions on the roads.

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it?

Forecasts suggest that peak solar activity will make aurora borealis displays even more intense than usual in 2025. Here are ...

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes plunges south into the U.S., Europe and Asia. Studies show that a fast-warming Arctic is partly to blame for ...

A North Korean howitzer has been reported on Russia's front lines following November sightings of a shipment of two M1989 ...

The entire Northern Bering Sea is now off-limits to oil and gas leasing, under a presidential directive announced on Monday.

From choosing the best times to visit to discovering the best places to see, here are our recommendations for planning the perfect trip to Alaska.

Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit that is expected to provoke teeth-chattering but not be record-shattering.

Greenland plays an outsized role in the daily weather experienced by billions of people and in the climate changes taking ...

The murre die-off might have gone unexplained if it weren't for decades of observations from researchers and citizen ...

Despite the fourth snowiest October on record, roughly half of precipitation in Anchorage has been rain this winter.