A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of the United States. Scientists are monitoring the event closely, as the ...

A new study reveals that Arctic ice loss could intensify extreme cold waves and disrupt winters on several continents.

CLEVELAND — The temperature outside was so cold that your fingers, toes, nose and cheeks felt like they were burning. A harsh Arctic cold wave brought record-breaking temperatures to the United States ...

You could be forgiven for not noticing that last month was the planet's third warmest February on record. That’s because local temperatures plunged during the third week of February 2025, shattering ...

A major disruption to the Arctic polar vortex has bumped the ring of wind that circles the North Pole off its perch and towards Europe, a new animation shows. The migration could trigger ...

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 ...