The Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...

Still today, scientists continue to make discoveries in the Grand Canyon that could alter history. Carol Dehler and his team are responsible for the very latest, challenging an old hypothesis ...

Hells Canyon might be deeper than the Grand Canyon, but it's barely 2 million years old, according to a new study.

As much as it is a historic discovery under the Grand Canyon, it does not mean people’s lives ... Many have expressed worry, according to a recent research report stating that contaminated water was ...