Here’s how it works. A mystery lies deep within the Grand Canyon: one billion years' worth of rocks have disappeared. This "Great Unconformity" has rocked the scientific community since it was ...

By the same token, a physicist studying the dimensions of the Grand Canyon rim on Google Earth ... investigation are required ...

"Think of the red bluffs and cliffs of the Grand Canyon as Earth's history textbook," explained Barra Peak, lead author of the new study and a graduate student in geological sciences at CU Boulder.

Here’s how it works. The birth of the Grand Canyon and the Colorado Plateau through which it carved have been a geological mystery. Now a giant anomalous structure discovered on the underside of ...