A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

In a more immediate forecast, temperature overnight tonight should crash to about the 5-15 range NNJ to SNJ by Saturday ...

An arctic cold front traveling south will reach all parts of Texas, bringing dangerously low temperatures over the next several days. Maps show how cold it could get.

Extreme weather events have become significantly more common in the Arctic over recent decades, posing a threat to vital polar ecosystems, according to new research by an international team of ...