There’s nothing like a polar vortex to get you thinking about Cactus League baseball.

About 230 million people will face temperatures of 20 degrees or colder and about 150 million likely will be hit by snow and ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States. This week, warm Arctic waters and cold continental land are combining to send ...

What is the polar vortex? It’s a wintertime mainstay capable of flooding Canada with some of the world’s coldest air ...

A polar vortex is expected to bring frigid temperatures to the central and eastern United States this weekend. South Carolina will experience a significant temperature drop, with nightly lows reaching ...

Another round of bone-chilling air from the polar vortex could invade the central and northeastern US this weekend and potentially produce the first significant snowstorm of the season for the ...

Grab your coats, it's getting chilly. A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days. The polar vortex will ...

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...

The wall that keeps cold air contained in the Arctic is called the polar vortex. There's been a "displacement" in the polar vortex, which allows Arctic air to escape to the south. An "arctic frontal ...

Just a few days into December, an arctic air mass has swept into the United States, bringing subzero morning lows and daytime highs stuck in the teens for 30 million Americans in the Northern Plains, ...