Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

During these times, it's referred to as a polar night. The opposite, polar day, occurs when there is 24-hour daylight. A polar day is when the sun does not set and stays above the horizon for an ...

Toronto Zoo’s polar bears had an important message about climate change to deliver. It is now always spring for their species due to the melting Arctic ice. Juno the polar bear has made the call, ...

Overall, not surprisingly, folks wanting an early spring better head south, which is already seeing springlike signs.

Most of the country will likely be hit by an arctic blast this weekend into early next week as the polar vortex ushers ... above 0 degrees on more than one day next week. Wintry weather and ...

The polar vortex is a large area of cold air and ... be 25-30 degrees below average for this time of year. Inauguration Day weather forecast for Washington, D.C. For the presidential inauguration ...

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...