For years, scientists have experimented with engineering techniques that can safely modify rainfall. But experts say the ...

Cloud seeding is the process of adding special substances to clouds to make it rain or snow in areas experiencing water scarcity, less snowfall, or to reduce hail and clear fog.

Needing more water to keep up with growth, Arizona and the six other Colorado River Basin states are looking to the sky. The states plan to hire a consultant this spring to evaluate cloud-seeding ...