Different weather forces in the Arctic are combining to push the chilly air that usually stays near the North Pole not just into the United States, but also Europe.

After a winter storm this weekend, the polar vortex will return, bringing subzero temperatures to around 80 million people ...

Erin Davis/Axios Visuals A week-long, unusually cold Arctic outbreak is set to bring frigid mid-February conditions to most locations east of the Rockies beginning Sunday. Why it matters: This event ...

Freezing temperatures and low wind power production will put further pressure on Europe’s strained energy market, as natural ...

As we continue to warm moving into February, it appears latest trends suggest a classic "what goes up, must come down" type ...

Punxsutawney Phil, the legendary weather-forecasting groundhog from Punxsutawney, PA, saw his shadow Sunday morning, thus ...

While Phil may see his shadow Sunday, forecasters haven't seen theirs. On average, February is Philly's snowiest month.

With that idea there would be a warm push from the south. The warm push would hold the polar vortex in check and keep the true Arctic air even farther north. We still have plenty of winter weather ...

In what feels like the first real winter we’ve had in years here in New York, an Arctic blast or polar vortex is partially to blame. The polar vortex is a large area of low pressure and cold air ...