Clouds need two essential ingredients to form, and both must be present simultaneously for the process to begin. There are two ingredients needed for clouds to form: water and nuclei. The first ...

Water moves between pools through evaporation into water vapor, transport through the atmosphere, condensation to form clouds, and returns to the surface as precipitation. At its core, the water cycle ...

The climate record holds some of its best warnings in stone, soil, and leaves. In a new study, scientists from the University of Utah and the Colorado School of Mines looked back to one of Earth’s ...

Rainfall is often treated as a gift of geography — a function of latitude, oceans, and atmospheric circulation. A growing ...