Deep below the surface of the ground in one of the driest parts of the country, there is a looming problem: The water is ...

Native fish populations are returning more quickly than anticipated in the Colorado River Connectivity Channel near Granby.

As the Colorado River’s reservoirs have declined, even larger amounts of groundwater have been drained from aquifers. Using ...

Melting snow from California's Sierra Nevada is filling reservoirs. But dry conditions have shrunk the flow of the Colorado ...

The Supreme Court has overruled a lower court in favor of a plan to ship crude oil through Colorado to the Gulf Coast.

As the Colorado River shrinks due to drought and climate change, the negotiators must decide who will take less water — and ...

On its surface, floating solar appears to conserve water while generating carbon-free electricity. River managers are ...

The Colorado River Basin lost an alarming amount of groundwater over the past 20 years, a new study found. Nearly 28 million acre-feet of water has been depleted from the region, nearly the volume of ...

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

A controversial proposal to haul up to 350,000 barrels of waxy crude oil daily along a stretch of the Colorado River can move ...