The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the far side of the moon — the ...

We’re on a cliff roughly 3,500 feet above the Colorado River at the tip of the Great Thumb Mesa, a spectacular formation that thrusts out from the South Rim of the Grand Canyon like the bow of ...

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 ...

It stretches 100 miles and reaches depths of 500 metres, making it the largest canyon in Africa and the second largest in the world after the Grand Canyon of the USA. It is a popular tourist ...

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 ...

Formed over thousands of years of erosion caused by hydrothermal activity, water and other natural forces, the Grand Canyon of the Yellowstone is the primary attraction in the Canyon Village area ...

A variety of companies offer helicopter tours of the Grand Canyon, with many options departing from Grand Canyon National Park Airport (located in Tusayan) and most Las Vegas hotels. Read on to ...

While the Hawaiian archipelago is rife with geological wonders to behold, Waimea Canyon may be one of the most spectacular.

Grand Canyon University is one of more than 800 institutions with graduate schools surveyed by U.S. News on an annual basis. Grand Canyon University confers degrees through various schools ...