CLEVELAND — Precipitation—the water that falls from clouds—comes in many forms, including rain, snow, sleet, and freezing rain. The type we experience depends largely on the atmospheric conditions ...

Across much of the world, hotter days are no longer arriving alone. The air itself is changing, sometimes turning from dry ...

Has this summer been muggier than usual? For nearly two-thirds of the country, the answer is yes. Tens of millions of Americans in the central and eastern United States have suffered from an ...

The first major heat wave of summer has enveloped much of the midwestern and eastern U.S. in a brutal “dome” of record temperatures and high humidity. The dome phenomenon happens when weather ...