The U.S. Coast Guard Cutter Polar Star (WAGB 10) departed McMurdo Sound, Antarctica, on March 1, after operating for 55 days ...

Don’t pack away the winter coat just yet. A polar vortex split could bring one last stretch of cold to the D.C. region before the end of March.

Don’t pack away the winter coat just yet. A polar vortex split could bring one last stretch of cold to the Philadelphia region before the end of March.

Don’t pack the winter coat away in storage just yet. Forecasters say a potential polar vortex split could send colder air into New York City before the end of March, bringing one last reminder of ...

And the dreaded polar vortex will again invade the Midwest and East with soul-crushing Arctic chill. This forecast of extremes comes as weather whiplash has already hit much of the East. On Wednesday, ...

The Antarctic ozone hole closed early in 2025 after one of the shortest seasons in decades, reflecting long-term recovery of the ozone layer.

The Great Lakes and Northeast are bracing for another cold shot later this month — down to single digits in places. How cold will it get in NY?

Folks across the central, eastern and southern U.S. are about to experience potentially record warmth over the next week or so.

The sudden cold was precipitated by a negative Arctic oscillation, which allows colder Arctic air masses to move south, according to the weather agency. “The melting of the sea ice in the Arctic Ocean ...