EXCLUSIVE: The combination of a powerful El Niño and a changing climate has left questions hanging over what Britain could ...

A harsh drop in temperatures is being delivered to the eastern two thirds of the country thanks to a polar vortex dipping down from the Arctic. Record cold high temperatures on Monday and Tuesday are ...

A potentially major snow storm this weekend could give way to a blast of Arctic air for the second consecutive week. The next polar vortex impact is expected to follow a storm that could dump 6 inches ...

A wide swath of the western U.S. may be in for below-average temperatures as forecasts suggest an Arctic blast is looming. Reading time 3 minutes Much of the contiguous U.S. could be in for a very ...

Polar vortexes are a year-round phenomenon. But Chicago-area residents only notice them when they collapse, experts say. That's what's happening starting Thursday when dangerously frigid air from ...

Don’t “put a fork into winter” just yet, warns a climate scientist, despite a little taste of spring this and next week after the deadly cold outbreak. Round 2 of winter could be on the horizon. “As ...

“Polar vortex” sounds cool. It’s like “bomb cyclone” or “firenado.” It seems like the sort of phenomenon that would be responsible for the record-breaking blast of cold, snow and wintry conditions ...

Add Yahoo as a preferred source to see more of our stories on Google. A potentially major snow storm this weekend could give way to a blast of Arctic air for the second consecutive week. The next ...