Winter weather will return just days after spring started as a cold air mass settles in. AccuWeather’s long-range experts say ...

Several days into the start of spring, wintry weather has returned following the arrival of a cold air mass.AccuWeather’s ...

Scientists have unlocked a new way to control ionization, the process where atoms lose electrons, using specially designed ...

The polar vortex is a persistent area of low pressure dozens of miles above the earth's poles (both northern and southern). Because the vortex is so high up in the atmosphere, and because it's ...