Frigid air will gradually move out of Michigan this weekend. Temperatures will climb to the 20s this weekend and next week for more residents.

Yes. Although this blast of Arctic air sweeping the nation has thrown Bostonians scrounging through closets to find hats, ...

A brief spike to well above average temperatures on Wednesday is being replaced by another stint of Arctic air on Thursday ...

Recent findings indicate that the Arctic's traditional role as a planetary cooling agent is faltering, with hotspots and ...