CLEVELAND — High above the Arctic, swirling like a giant icy crown, the polar vortex is a permanent feature of our atmosphere ...

The polar vortex is a broad, fast ribbon of cold air that encapsulates the Arctic high in the stratosphere. Stable, it confines cold air near the North Pole. Unstable, it is rocked and stretched out ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing with the new fall season. When is ...

When teeth-chattering cold drives most Long Islanders indoors, sectors of the workforce bundle up and head outdoors to keep the region running. From letter carriers to FedEx drivers and utility ...

A polar jet stream will hit Spain this weekend, bringing Atlantic storms, heavy rain and mild temperatures, mainly across ...

All the Latest Game Footage and Images from Polar Shift Polar Shift is a puzzle-based escape room game where you must break out of an alien prison after an unexpected crash landing, all while you ...

Bitingly cold Arctic air keeps pummeling the U.S. with ruthless cold snaps—despite warming winters nationwide. A study explains why: the solution lies far above your head, in the upper atmosphere ...