The fossils date back to the Cambrian Explosion around half a billion years ago when animal life was evolving in new ways. Within the walls of the Grand Canyon, researchers have discovered thousands ...

Paleontologists have discovered remarkable fossils in the Grand Canyon that reveal fresh details about the emergence of complex life half a billion years ago. The newfound remains of fauna from the ...

The nearly century-old Grand Canyon Lodge in far northern Arizona was a refuge for ambitious hikers and adventurous tourists eager to bask in the magnificent views of one of the most remote and ...