A woman with roots in Pennsylvania was hiking in the Grand Canyon when she was tragically swept away by flood waters in ...

The occasional planned floods began in 1996, four years after Congress passed the Grand Canyon Protection Act mandating dam operations that balance water and power needs with the canyon’s ...

Conservation groups called on Arizona officials today to close a uranium mine near Grand Canyon National Park’s South Rim, citing severe and ongoing flooding that threatens to pollute deep aquifers ...

whose reservation at the southwestern edge of Grand Canyon National Park is one of the most remote in the continental U.S., accessible only by foot, mule or helicopter. Flash flooding in late August ...

The proposed project is located about 6 river miles upstream from the confluence with the Colorado River in Grand Canyon National Park. The proposed project would flood miles of the Little Colorado ...