The National Weather Service has issued flash flood warnings for Coconino County, including Grand Canyon National Park, that run through 1:15 a.m. Aug. 17. Doppler radar indicated thunderstorms ...

SUPAI, Ariz. — Search and rescue crews at Grand Canyon National Park were searching for an Arizona woman nearly two days after she was swept into a creek during a flash flood, the woman's sister ...

Sculpted by a flood of a melting glacier some 19,000 ... These deep canyons in Illinois are reminiscent of Arizona's Grand Canyon, the most-visited natural wonder in the world—although they ...

And indeed, he did devote a great deal of time to these purposes. In the afternoon, while his crew set up camp for the night, Powell would often climb into the canyon to investigate. Much has been ...