Three separate rounds of Arctic air have already swept across the central and eastern United States through mid-December, ...

A powerful polar vortex slams an already-frozen state as NOAA warns the deep freeze could last for weeks, bringing extreme ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they ...

Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to ...

Thanksgiving is less than a week away which means the fall season is ending. With it comes colder temperatures from an ...

Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

The latest trend for pistol red dots is using different window sizes to match specific use cases. There are options with large windows for quick target acquisition, small windows for concealed carry, ...

Step inside the strange world of a superfluid, a liquid that can flow endlessly without friction, defying the common-sense ...