Upstream states on the Colorado River are investing in measurement technology, but experts say more data doesn't always mean ...

Arizona is has the second-highest rate of wastewater reuse in the Colorado River basin, according to a new study. And it ...

The seven states on the Colorado River are spending millions ... Some Lower Basin tributaries like the Gila River are not included in the overall measurement of the river for interstate legal ...

A wave of scorching temperatures and dangerously dry conditions is fueling a "critical" fire risk across the Southwest.

On this day in 1738, Father Francisco Garcés was born. From 1768 to 1776, he explored the Spanish-controlled American west, ...

Former state House majority leader Sheryl Williams Stapleton alleges in a new lawsuit that Albuquerque police used ...

now a National Academy of Sciences board member who still closely monitors the Colorado River’s condition and the politics behind it. The Gila community is in a unique situation now because it ...

Take it from a thru-hiker who has done it all. Here are the best sections of the CDT, in the form of geysers, peaks, and ...

These Arizona animals can harm or even kill a person with bites or stings. What to know about bark scorpions, black widows, ...