High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

The Mid-Atlantic is in for plummeting temps in the new year. A polar vortex, a massive pocket of frigid air that swirls in place over the North Pole, is expected to spill out and push Arctic temps ...

SEDONA, Ariz. — The rock formation known as Kachina Woman rises like an obelisk out of a cool green canyon. At its base, more than three dozen women are tucked into crevices in the rust-colored stone, ...

Forecasts for winter 2026/2027 indicate increased volatility due to a Super El Niño, shifting winds, and declining Arctic sea ice.

Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex explains why extreme cold still grips parts of the U.S. despite warmer winters overall. (CREDIT: Shutterstock) ...

The vortex is strongest during the winter and usually weakens or even disappears in the summer. When the polar vortex weakens or even splits, it allows frigid air to escape and push southward toward ...