Old Man Winter will begin to ease his icy grip on much of the central and eastern United States in the coming days and weeks, but there will still be some periodic outbursts from the Arctic, ...

Look for Thursday to again start with bone-chilling wind chills, possibly as low as -10 to -15 degrees, but then things warm ...

"An Arctic air mass is expected to plunge into the Central U.S. this week, with high confidence for widespread, ...

Large parts of the United States and Canada are in the grip of frigid winter weather, with a surge of polar air pushing subzero temperatures and dumping snow down over much of North America. The US ...

Astronomers have unlocked a new way to explore alien worlds by mapping the 3D structure of an exoplanet’s atmosphere for the ...

Cold extremes are indeed waning over most of the midlatitude Northern Hemisphere, but a decade-plus debate on the Arctic’s role continues.

MacKinnon scores twice, Binnington makes 23 saves to lead Canada to Thursday's final ...

The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope ...

An active pattern is setting up over Atlantic Canada, bringing in back-to-back stormy systems that are sure to leave people wishing for spring ...