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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The Grand Canyon may rewrite the textbooks on the Cambrian Explosion—a ...

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 ...

Each year, millions of people visit the Grand Canyon and marvel at its pristine beauty — but the landmark's waterways might not be as clean as they seem. Scientists discovered evidence that some of ...

He entered a remote cave expecting to find little more than geological formations and mineral deposits. Instead, according to one of the most debated stories in American archaeology, the expedition ...