Water costs are confusing — even for the experts. A new study shows huge differences in what cities and farm water districts pay for supplies from rivers and reservoirs in California, Arizona, and ...

Lili Anolik, Hilton Als, David Ulin, Evelyn McDonnell, Cory Leadbeater and Steffie Nelson share thoughts about author Joan ...

A powerful atmospheric river has drenched Washington state with nearly 5 trillion gallons of rain over the past week.

Because of shifting storms and sweltering summers, Iran’s capital faces a future “Day Zero” when the taps run dry.

LAS VEGAS (AP) — The death of a woman who jumped from the Hoover Dam bypass bridge was the first known suicide since the sweeping arch linking Nevada and Arizona opened in October 2010, a federal ...

The river crested at an all-time record on Tuesday as an atmospheric river pummeled the region with significant rainfall.

Their dams cause floods, and that gets them in trouble with humans. But in the right place, more water can be a big help.

6.This is what a typical day of air travel over Europe looks like: 7.This is what a "9 out of 10 difficulty level" puzzle looks like: 8.This is what a Hoover Dam spillway tunnel looks like. Check out ...

“These fall storms brought more rain than Death Valley typically receives in an entire year,” the National Park Service wrote ...

CENTRAL FLORIDA — Persistent rainfall sparked flooding in parts of Volusia and Brevard counties on Friday, with some areas of Volusia recording rain accumulations of up to 8 inches, and localized ...

Pinyon Plain uranium mine, near the Grand Canyon, has a water problem. More than 7.8 million gallons were pumped out of the ...