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 ...

If the Grand Canyon's beauty has captured your heart, find even more magic at some of America's other canyon-filled national ...

This quiet Arizona town is the perfect home base for exploring the Grand Canyon and nearby natural wonders. Here's why it ...

Iron oxide minerals are found in rocks around the globe. Some are magnetic, and some of them rust—especially when exposed to ...

Forged by the wear of water rushing over rocks, Olo Canyon is concealed inside the Grand Canyon. Its alluring landscape includes natural springs and rocks shaped like cathedral amphitheaters.

The Grand Canyon is the biggest canyon on earth: 277 miles long, 10 miles wide, and a mile deep. It contains some of the oldest exposed rock on earth, Precambrian Vishnu schist, formed 1.7 billion ...

At about 8 a.m., February 10, emergency crews at the Grand Canyon were notified of a report of a broken rock wall and scattered car parts east of Yavapai Geology Museum. Crews with Grand Canyon ...

The public lands surrounding Grand Canyon National Park contain high concentrations of uranium ore. Mining bores deep into vertical rock formations called “breccia pipes,” making uranium soluble to ...

The National Park Service confirmed Grand Canyon dispatch received a report of a broken rock wall and scattered car parts east of the Yavapai Geology Museum. Grand Canyon Aviation launched an ...

Recent visitors agreed that the Grand Canyon of the Yellowstone ... aback by the geographic details of the canyon, including its many colors and rock formations. Some visitors admired the canyon ...

Departing from the South Rim, this Grand Canyon helicopter tour flies ... On the way back to the city, you'll take in epic views of the canyon's rock formations before descending past the ...