The biggest batch of record-setting cold temperatures are likely to hit early Thursday and Friday, Orrison said. But North ...

Meteorologists had predicted that parts of the U.S. would experience the 10th and coldest polar vortex event this season.

A lobe of the polar vortex, a ring of freezing air typically found near the North Pole, will once again move into the central ...

Earth’s magnetic north pole is on the move—and in surprising ways. With the release of the World Magnetic Model 2025, ...

The definition of a “superpower” is rather subjective. In the Cold War it was applied only to the United States and the ...

Every state but Hawaii, California and Florida is likely to get a taste of wind chills of 20 degrees or colder.