The Colorado River irrigates farms, powers electric grids and provides drinking water to 40 million people. But as its supply dwindles, a crisis looms.

Flash floods last week in Texas caused the Guadalupe River to rise dramatically, reaching three stories high in just two ...

Looks like Mars might have had more water than anyone previously imagined.

A museum in Denver has found a fossil that is almost 70 million years old under its parking lot while running an unrelated drilling project. "This may be the most unusual dinosaur discovery I have ...

Bridget Scanlon, a research professor in the Bureau of Economic Geology at the University of Texas at ... clear that we need more groundwater management in the lower basin, which is mostly in Arizona.

A pair of relocated beavers are helping restore disappearing wetland habitat along the San Pedro River in a new project by ...

“What we saw under the magnifying glass was something that looked a lot like a fossil frog pelvis,” said Marsh, the lead paleontologist at Petrified Forest National Park in Northern Arizona ...

The seven states that share the Colorado River are floating a new concept for how water could be shared in the future, marking forward progress after a long standoff between the Upper Basin and Lower ...

Badawi said this project represents a major milestone in unlocking new exploration opportunities across promising geological basins, particularly in Upper Egypt.

States in the upper and lower halves of the Colorado River basin have spent the last few months negotiating how water cuts should be divvied out after current agreements expire in 2026, but are at ...

Also, Arizona’s 3.23 degree rise in annual average temperature made it the nation’s third-fastest-warming state from 1970 to 2018, the analysis by Climate Central finds. The nonprofit ...