Svalbard is the fastest warming place in the world, and even within the Arctic. Leaving as little trace as possible is a ...

It will feel like winter for many across the Midwest and Northeast at the start of the week as Arctic air surges south from ...

When the polar vortex begins to wobble and allows arctic air to spill south into northern Illinois in January, we usually end ...

Military leaders and a senator from Alaska have have discussed reviving a World War II-era base on Adak as part of the U.S.

A new study reveals a strong connection between Arctic warming and the development of a rare thunderstorm that came closer to ...

Canada has made substantial investments in domain awareness in the region, from over-the-horizon radars to a network of ...

Here's your full Power of 5 Weather Forecast for Cleveland, Akron, Mansfield, Sandusky, Ashtabula, and Northeast Ohio.

A freeze warning will be in effect from midnight to 9 a.m. Wednesday for eastern Essex, Hudson and eastern Union counties.

In normal conditions, Canadian Air Force helicopter pilot Jonathan Vokey uses the treeline to gauge his altitude. But in the Arctic, where the landing zone is an expanse of white snow, he has to ...

This season’s Arctic sea ice coverage was the smallest in the 47-year ... According to sea ice experts, above-average air ...