Learn about the ozone hole above Antarctica that is now confirmed to be shrinking due to reductions of harmful ...

A polar vortex collapse is poised to unleash severe winter weather across the US, Canada, and potentially the UK, causing ...

A new MIT-led study confirms that the Antarctic ozone layer is healing, as a direct result of global efforts to reduce ...

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 ...

and the polar vortex. For the study, the team used simulations of the Earth's atmosphere under different conditions and compared these to observations of how ozone in the Antarctic stratosphere ...

The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year. While the ...

BISMARCK, N.D. — Harsh cold descended on the nation’s midsection Monday as a polar vortex gripped the Rockies and Northern Plains on the heels of weekend storms that pummeled the Eastern U.S ...

A lobe of the polar vortex, a ring of freezing air typically found near the North Pole, will once again move into the central and eastern states this week, bringing some of the coldest air of the ...

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 ...

A polar vortex collapse occurs when the strong, cold winds that normally circulate around the Arctic or Antarctic a weaken and break apart, allowing frigid air to spill southward into lower latitudes.