Prepare for the cold and some wind too. Wind chills Sunday will be single digits, but by Monday, those will fall to -10 or -15. The chances for snow taper off Monday afternoon, but the Arctic air will ...

Scientists recently came across dozens of dead whitebark pine trees on Wyoming's Beartooth Plateau that had been preserved beneath an ice patch for thousands of years. Radiocarbon dating revealed that ...

Antarctica's Filchner-Ronne Ice Shelf may be under threat due to relatively warm water from the deep sea flowing towards the ...

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously frigid conditions.

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...