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. Subscribe to ...

More than half a billion years ago, the Grand Canyon was not the arid landscape we know today but a shallow, tropical sea teeming with strange life. Now, scientists have uncovered a remarkable fossil ...

(CNN) — 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 ...