The Havasupai Tribe says all tourists are accounted for following a flash flood that occurred on the reservation June 3.

Decades later, researchers would find concrete pipes were prone to catastrophic ruptures. They would say its weaknesses were ...

Residents were encouraged to head to higher areas to avoid washed out creeks and footbridges during the flash flood warning.

The "Comprehensive Offshore Resource Enhancement Act", or CORE Act, calls for a government-led fossil fuel inventory of the ...

Critics argue that failing to flood the Grand Canyon on a regular basis causes its beaches to wash away and has a devastating impact on its wildlife. The Bureau of Reclamation has said it will not ...

Federal officials have rejected a plan to release floodwaters from Lake Powell to restore Grand Canyon beaches this spring, frustrating river advocates who question the government’s commitment ...

Federal officials have confirmed that they will not flood the Grand Canyon this spring, citing ongoing work on Glen Canyon Dam and in the Colorado River downstream. Colorado River advocates say ...

But all of the Grand Canyon figurines have been discovered in deep caves in the Redwall Limestone stratum—by far the most difficult geologic layer in the canyon to climb through, because its ...

Just layer, chill, and serve ... Crunchy, creamy, and dangerously easy to love. Grand Canyon flooding move sparks backlash: 'We are failing' 'Tip creep' is pushing some customers to leave smaller ...

Uranium deposits sit deep within sandstone, siltstone, and mudstone layers across the Southwest ... is a poster child for what can go wrong at a uranium mine near the Grand Canyon. It’s been flooding ...

Five million years ago, nature orchestrated what scientists now confirm was Earth’s largest known flood, an event so massive it could have filled the Grand Canyon in just a few ... Their tops are ...