More than half a billion years ago, the Grand Canyon was not the arid landscape we know today but a shallow, tropical sea ...

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the Grand Canyon, one of the natural world’s most iconic sites. The ...

Rocks found along the Colorado River in Arizona turned out to contain fossilized fragments of soft-bodied creatures, suggesting the site may have been an “evolutionary hotbed” ...

The North Rim of the Grand Canyon forest stands are dominated by ponderosa pine, which tends to have a ...

Missing an ear and his front legs detached, Brighty the Burro certainly has seen better days. The 600-pound (273-kilogram) bronze statue used to greet visitors at the Grand Canyon Lodge on the ...

As one of the top attractions in the U.S., Grand Canyon National Park welcomes more than 4 million visitors a year. Even the ...