Arizonans looking for a beach escape that's not in Mexico or Southern California can try Lake Havasu, popular for outdoor activities and spring break.

Scientists plotted 1 million data points to design a new map that provided a trove of details about the groundwater supply.

Researchers used 1 million data points and a machine learning algorithm to estimate groundwater stores with higher resolution ...

Scientists and water managers are adding a new tool to figure out exactly how much snow is held in those mountains, and how ...

Plan unforgettable day trips in Arizona with scenic drives, unique attractions, and must-see destinations for every traveler.

A high-resolution groundwater map shows how underground water varies across the U.S., with new insights for agriculture and ...

How much fresh water is in the United States? It's a tough question, since most of the water is underground, accessible at ...

Water coming down the Colorado River is expected to be far below normal for a second consecutive year, and that will have a ...

"I think St. Louis has been forgotten. I think that we are finally on the map," said Karen Nickel, co-founder of Just Moms ...

This little-known Arizona beach offers turquoise water, dramatic desert scenery, and peaceful seclusion-proof the state has ...

An online educational resource, WorldAtlas, has outlined some of the warmest lakes for swimming in the U.S. These locations “extend swimming seasons well beyond what’s typical at higher latitudes, ...

A pair of storm systems sweeping across the country this week will bring snow, ice and thunderstorms, forecasters said.