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

GMC Canyon introduces three new paint colors that replace three outgoing ones. Here’s a closer look at the new Glacier ...

A newly published study in GSA Today has upended decades-old theories about how some of the Grand Canyon’s oldest layers — ...

River rafting enthusiasts will find thrills and spectacular views of awe-inducing cliffs while navigating the river that cuts ...

A Washington man considered to be an experienced hiker has died near the end of a 24-mile, rim-to-rim hike at Grand Canyon National Park in Arizona, officials confirmed. Dennis Smith, 74 ...

They range in size from a few dozen acres to nearly 2 million acres. The Grand Canyon Trust focuses our national monuments work in three monuments where we helped gain protections: Grand ...

The Trump administration’s Education Department has rescinded a $37.7 million fine against Grand Canyon University in Phoenix. The Biden administration had levied the fine against the university in ...

In the 19th century, many people believed that landscapes like the Grand Canyon were shaped by volcanoes and earthquakes. But one American geologist named John Newberry had different ideas.

GRAND CANYON, AZ (AZFamily) — The National Park Service says a man died last week while trying to hike the Grand Canyon rim-to-rim. On May 15, the Grand Canyon Regional Communications Center ...

GRAND CANYON VILLAGE, Ariz. — An Olympia man died last week during a lengthy hike in the Grand Canyon. Dennis Smith, 74, was attempting a rim-to-rim hike but was found unresponsive on the North ...

GRAND CANYON, Ariz. (KGUN) — National Park Service (NPS) staff are urging hikers to be aware of heat risks as temperatures rise in and around the Grand Canyon following the death of a Washington ...