As Colorado River experts and advocates gather for an annual conference, a scientist's harsh climate warning clouds efforts ...

Since the 1970s, commercial whitewater rafting has been one of the most idealistic and adventurous ways to experience ...

With Colorado River negotiations facing a 2026 deadline, the state wants to keep water management in its own hands, but lags its neighbors in planning to cut usage.

Overuse and climate change are rapidly depleting groundwater throughout the region, but aquifers are not part of the ...

As we see the annual runoff begin to ebb in the coming week or two, the green drake mayflies will begin revving their engines ...

Water experts gathered at the University of Colorado, Boulder for talks about the future of the Colorado River. Top ...

Tensions over the Colorado River have been red hot, but officials say heads have cooled and progress is resuming toward a shortage-sharing agreement.

Thirty federally recognized tribes lay claim to a fourth of the Colorado River, a vital water source for 40 million people ...

It's ridiculous that we know so little about how much water Arizona stands to lose from the Colorado River. But we can ...

How states dependent on the Colorado River are struggling to strike a long-term agreement Years of overuse combined with rising temperatures and drought have meant less water flows in the Colorado ...

Here are the other Colorado River water-saving proposals that the chiefs of the Arizona Department of Water Resources and the Southern Nevada Water Authority suggested to the U.S. Interior ...

As the Colorado River’s giant reservoirs have declined during the last two decades, even larger amounts of water have been pumped and drained from underground, according to new research based on ...