The condition of the polar vortex influences everyday weather around the globe. Scientist issue warning about concerning ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

Sailing in winter above the Arctic Circle isn’t for the faint of heart. This expedition heads north through freezing waters to one of the most extreme destinations on the planet—the world’s ...

Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

For several months in winter, the Arctic is in perpetual darkness, or polar night. "It's really a black and white world, where you see some gray shades of things.

The Joint Pacific Multinational Readiness Center (JPMRC) — the U.S. Army’s newest combat training center (CTC) — is how the U ...

Blasts of Arctic air are poised to bring below-average temperatures to much of the central and eastern U.S. throughout the first half of January. Here's what to expect and how to prepare.

As for precipitation, he said, "so far this winter, the patterns seen over the U.S., including drier than average conditions across the southern tier, and wetter than average conditions in the ...

An arctic air mass settled over New York City and much of the country Sunday evening, bringing a deep freeze and the chance of more snow than the city has seen in three years.

A new analysis of historical jet stream behavior reveals that increases in jet stream waviness accounted for 55-71% of winter ...

A research team from the Alfred Wegener Institute has for the first time gained insights into a current in the Barents Sea which affects Arctic sea ice In the last few decades, the Arctic sea ice has ...