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

Grand Canyon National Park rangers have already conducted 13 helicopter evacuations and summer hasn't even officially started ...

An 1869 expedition led by John Wesley Powell sailed out of the Grand Canyon on the Colorado River in the first official ...

If trains are your point of interest, then this eco-friendly locomotive in the Grand Canyon is something you should ...

Search and rescue teams recently conducted 13 helicopter rescues over a seven-day span. A SAR leader blames the uptick on a detour to a vital hiking route.

Rescue crews have rescued more than a dozen people over a week’s period in Grand Canyon National Park, prompting officials to ...

Grand Canyon officials warned hikers and backpackers about the dangers of heat following a handful of rescues.

Where Oregon's high-desert-like arid landscape meets the dark skies, there's a new, laid-back state park that rivals Arizona's Grand Canyon.

Thousands of hikers take on the Grand Canyon’s Rim-to-Rim trek every summer, covering more than 20 miles from one side of the ...

Several hikers who were stranded near Havasu Creek in the Grand Canyon Tuesday night amid heavy rainfall have been accounted ...

The National Park Service says the outage started around 7 p.m. Sunday due to an equipment failure involving a transformer ...

The National Park Service (NPS) reported a power outage that has been affecting the North Rim and the Grand Canyon Lodge ...