With a reddish tint from sediment carried over long miles, the mighty river that carved the Grand Canyon has been known by ...

Zebra mussels are similar to another invasive mollusk, the quagga mussel, which has not been detected in Colorado’s lakes and ...

The Colorado River Basin which supplies water to seven U.S. states is facing "severe water shortages," scientists warn.

As Colorado River states race to finish a deal, water users face a resource altered by drought and climate change.

Colorado wildlife officials are raising the alarm after an aggressive invasive species was discovered in the West Fork Little Thompson River, the Cool Down reported. The culprit? The rusty ...

The lines in the sand haven't changed, even if warring states are working on a new deal to save the Colorado River.

Federal officials indicated that even parts of the "Law of the River," a 100-year-old legal framework that governs Colorado River allocations, could change as a result of the negotiations. “We ...

About 40 million people rely on the Colorado River for drinking water. It also irrigates agricultural fields. It's also shrinking. Now, states might agree on a potential deal on sharing the river.

The Colorado River Basin has lost twice as much groundwater since 2003 as water taken out of its reservoirs, according to a study based on satellite data.

As the Colorado River’s reservoirs have declined, even larger amounts of groundwater have been drained from aquifers. Using satellite data, scientists have estimated the vast water losses.

If Arizona’s Colorado River water allocation was cut to zero, “we could burn through the available groundwater in 50 years,” Famiglietti said. “We’re talking about decades. That’s scary.

This invader is eating through Colorado’s rivers, and it could wipe out native fish and plants if left unchecked. Rachel Dillin Jun 6, 2025 4:20 PM EDT ...