It's a testament to Mother Nature's strength and power, so vast and spectacular that it's often considered the "Grand Canyon of Washington." The Grand Coulee in Washington is an ancient river bed ...

The Grand Canyon is one of the seven ... far from the first people to appreciate the beautiful canyon. And now the landmark is full of ancient artifacts that open a window to people who lived ...

The Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...

Haley Johnson, president of the Grand Canyon Historical Society, also speaks to the inconsistencies in the original article. “The images alone are obvious fakes,” she says. “Joe Mulhattan is known in ...

The Grand Canyon is a spectacular sight to behold in ... Officials choosing to keep the location of thus far well-preserved ancient rock art so secret isn’t really a surprising choice given ...

A team explores relationship between warming post-Ice Age temperatures and intensifying summer monsoon rains on groundwater reserves. The Grand Canyon's valleys and millions of years of rock ...

Modern visitors are hardly the first to appreciate the vistas. In fact, archaeologists have discovered the remains of a number of ancient cultures in and around the Grand Canyon, going back at least ...

How an Ancient Asteroid Strike Carved Out 2 Grand ... digging out two canyons comparable in size to Arizona's Grand Canyon in barely 10 minutes. The latter, by comparison, took millions of years ...

studied an ancient stalagmite from the floor of an undisturbed Grand Canyon cave. By studying the mineral deposits’ geochemistry, they were able to analyze precipitation patterns during the ...

The debris landed like missiles, digging out two canyons comparable in size to Arizona’s Grand Canyon in barely 10 minutes. The latter, by comparison, took millions of years to form.

The debris landed like missiles, digging out two canyons comparable in size to Arizona’s Grand Canyon in barely 10 minutes. The latter, by comparison, took millions of years to form.