The west half of the country, including the Midwest, will start to warm up. But that won't be the case for the East Coast.

A collapse in the polar vortex is letting Artic air come here. What that means, and why it happens.

A vast pool of Arctic air is again spilling south, the kind of outbreak that can turn highways into morguish car lots and ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

The greater Philadelphia region will experience no weekend letup in the prolonged cold snap gripping the area.

The west half of the country, including the Midwest, will start to warm up. But that won't be the case for the East Coast. Here's the forecast.

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

The Vortex Optics AMG 1-10X 24 mm FFP riflescope is the shortest and lightest FFP 1-10X low-power variable optic made ...

Aetherlux Pro Operates to -57°F Without Defrost Cycles or Backup Heat, Addressing Grid Stress and Soaring Energy Costs ...

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