Climate change is drying out rivers across the country. A new AI forecasting tool can help managers, governments and water users plan.

For thousands of years, drought in Arizona has followed a familiar arc: Dry years stacked up, water supplies shrunk and snowpack lacked its usual depth. Then, eventually, the pattern broke with a run ...

After 30 years of drought, hydrologists say the Hoover Dam will lose 80% of hydropower production by spring 2027.

There's a quiet crisis unfolding across a large swath of the United States, one that doesn't always make the front pages but ...

Recent heavy rainfall in Arizona has provided a reprieve from a long, dry summer. The wet conditions have led to a late-season surge in mosquito populations across the state. While the rain has eased ...

SAN JOSE, CA — The harsh Arizona deserts are no stranger to droughts. One has lasted quite a while in Tucson, except it has nothing to do with rainfall. It’s that Final Four drought. For more than two ...

Understanding and predicting when a river ebbs and flows — and by how much — is a key part of managing the river as well as planning for the economies that feed off it, from agriculture to ...