A 51-year-old man died Thursday after going underwater in the Colorado River while trying to raft with a friend.

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

Arizona’s allocation of Colorado River water delivered through the CAP Canal will be cut by more than a third in 2023. Some Arizona farmers are losing their CAP supplies, ...

An upcoming episode of the PBS documentary series “Human Footprint” focuses on the Colorado River and premieres in Flagstaff ...

Emerald Cave, also known as Emerald Cove, shimmers with luminous green light. Here's the best time to visit Emerald Cave and ...

The Colorado River proposal from Arizona, California and Nevada aims to conserve at least 3 million acre-feet of water through the end of 2026. Latest U.S.

With the Colorado River’s largest reservoir just 38% full and declining toward the threshold of a first-ever shortage, Arizona water officials convened an online meeting this week to outline how ...

Under the steps outlined Tuesday, Arizona will lose 592,000 acre-feet of its river allocation in 2023, which represents 21% of its usual delivery. That's an increase of 80,000 acre-feet from the ...

How do we sustain the Colorado River past 2026? Here's how Arizona intends to find out Opinion: The Drought Contingency Plan is working, but it's just the beginning.

Arizona may be in line for larger Colorado River water cuts than any other state, with a political hurdle that no other state ...

Drought, overconsumption, and climate change, are main factors dissipating the amount of Colorado River water that will reach the Sea of Cortez on its journey through the Colorado River Delta ...

In 1934, a heated dispute over the Colorado River escalated into a bizarre standoff when Arizona mobilized a state militia ...