In the atmospheric layer above it, about 10 to 30 miles up, is the stratospheric polar vortex, where every winter a sunlight-starved Arctic spins up a mass of cold air that, ultimately, dissipates ...

Rapid changes from wet to dry weather can create severe natural disasters. And these precipitation whiplash events are ...

As a persistent “heat dome” fuels extreme temperatures for millions, UVA professor Robert Davis explains what’s typical this ...