Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex may be saying its goodbyes today, but for many Canadians, the bitter deep freeze isn't going anywhere just yet.

LOWELL, Mass. — Americans expecting the worst winter weather to slam the East Coast might need to look northwest instead. A major study spanning four decades reveals that severe winter storms are ...

Add Yahoo as a preferred source to see more of our stories on Google. Another severe-cold outbreak has pushed onto the Prairies, courtesy of the polar vortex. Part of the polar vortex has branched off ...

The dreaded polar vortex is making a trek south across a good portion of Western Canada this week, bringing a dangerous cold with it that will send daytime highs into the -20s and overnight lows into ...