The proposed Tusayan development would build a giant mega-resort that threatens groundwater just outside Grand Canyon ...

Grand Canyon’s springs are vital to people and wildlife and extremely ... groundwater in the mine effectively eliminates the possibility of contaminating the Redwall-Muav aquifer.” In 2012 the Forest ...

Groundwater is life in Arizona. Find out how we’re helping Grand Canyon communities manage their limited water supplies.

If you're planning a trip to Arizona's Grand Canyon, don't forget to check out this nifty little pool in its depths. But be ...

In the afternoon, while his crew set up camp for the night, Powell would often climb into the canyon to investigate. Much has been learned about the geology of the Grand Canyon and about the ...