A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...

Winter has settled in for the long haul, and the next few days only reinforce that feeling. Tonight brings mostly cloudy ...

High above the Arctic, scientists are tracking a major change in the atmosphere this January, an event similar to what ...

Foods that Americans were told to avoid for decades are back under Trump's new nutrition rules Deported to danger: Returning ...

Plus the polar vortex arrives and drops wind chills to near -15 ...