Holly Bock reports on how a new satellite system delivers critical alerts to hikers deep in Grand Canyon. It works on devices like Garmins & newer iPhone models. Holly Bock reports.

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The formation of the Grand Canyon may be tied to a meteor strike that created another astonishing Arizona feature hundreds of ...

The Grand Canyon Lodge was destroyed by a wildfire last weekend. It was an elusive getaway for nearly a century on the North ...

The nearly 13,000-acre wildfire burning in eastern Utah crossed the Colorado border Monday night, joining four other fires ...

Geology is full of detective stories about the Earth's history, and a new paper in Geology by University of New Mexico ...

Atlantic, Hill Country, Texas, central Florida, southern Arizona, and the Upper Midwest are at risk for more flooding ...

Thus, Europe will continue to pay close attention to Iran’s nuclear program. But, constrained by poor relations with Tehran and its internal divisions on the Middle East, it is unlikely that it will ...

The Grand Canyon is vast, covering 1,218,375 acres and 1,904 square miles across Arizona. Here's what to know.

If you’re looking to avoid the crowds, you might want to consider visiting one of the thousands of state parks across the ...

Parts of the Jacob Lake area are under GO evacuation orders, and the North Rim of the Grand Canyon is also evacuating. The fire has grown to nearly 50,000 acres.

A wildfire along the Grand Canyon’s North Rim grew rapidly over the weekend and destroyed a historic lodge and visitors ...