Much like a conveyer belt, an atmospheric river transports moisture from the tropical and subtropical oceans and dumps it as ...

Mexico began sending more water to the U.S. to uphold its end of a nearly 80-year-old treaty that spells out how two ...

The Sonoran capital’s water utility is working to shore up its supply in case a years-long dry spell continues. Experts say ...

Enlarging Shasta Dam would deliver more Sacramento River water to Central Valley farmers but a tribe could lose sacred sites ...