A visit to the Grand Canyon is a true bucket list item for anyone ... Scientists believe it was formed when a large meteor tore into the lunar surface, creating an extremely violent explosion ...

We’re on a cliff roughly 3,500 feet above the Colorado River at the tip of the Great Thumb Mesa, a spectacular formation that thrusts out from the South Rim of the Grand Canyon like the bow of ...

The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the ... were particularly large. The research team behind the latest report, however, was able ...

Split-twig figurines were first uncovered in 1933 within the caves of the Grand ... people to encounter the Grand Canyon, were skilled hunter-gatherers. They caught large game, such as wooly ...

The Grand Canyon reminds us constantly that we are merely specks in the history of the earth and universe. When asked, I tell people the hardest thing about running the canyon is not the rapids ...