Multiple bursts of increasingly brutal, cold Arctic air will overspread the eastern two-thirds of the country over the next few days, dropping temperatures to dangerous lows by next week.

Periodic blasts of bitterly cold Arctic air have plunged into the northern and eastern US this December in stark contrast to the warmest fall on record it followed. But this seasonally appropriate ...

President-elect Donald Trump once again expressed interest in the United States having control over Greenland on Sunday, but the Arctic ... Air Force base. "For purposes of National Security and ...