It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...

The polar vortex is a mass of cold air swirling high above the Arctic. Scientists closely monitor atmospheric shifts that ...

Heavy snow is expected in a -5C Arctic blast later this month due to a rare polar vortex and weather maps show the areas of the UK worst affected from the flurries ...

Scientists say it’s being caused by a misbehaving polar vortex combining with a key weather pattern that seems to be stuck in place. Some scientists say these factors and this winter could be ...

Because this is the Polar Vortex Blog, we would love to be able to tell you how the stratospheric polar vortex is doing super cool things that can explain how cold and snowy it’s been in many ...

A polar vortex collapse is an event that occurs when the layer between 10km and 50km above Earth’s surface warms up to 50 ...

The polar vortex’s icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

saw a low of -22°F, its coldest day since 2009. Bismarck, N.D., fell to -39°F, six degrees from its all-time coldest day. The cause of the week-long deep freeze? A polar vortex collapse. Now, ...

According to an international treaty, military vessels aren't allowed in Antarctica without a scientific objective. That's what the HMCS Margaret Brooke is currently doing in the southern polar region ...

“The worst is being up there ... "By the time I get home I'm all knotted up." Luckily, the polar vortex is expected to start retreating Friday and temperatures will warm up into the 30s ...