The Grand Canyon covers 1,904 square miles in Arizona, and is one of the most famous National Parks in the U.S. Nearly 5 million visitors flock to the canyon ea ...

The Grand Canyon's three Inner Corridor trails had to be shut after workers discovered dangerous chlorine gas at the Roaring ...

Bright Angel, South Kaibab and North Kaibab trails were all closed. The gas leak was at Roaring Springs, which is the water ...

Several state governors have ordered flags to be flown at full-staff on Inauguration Day, raising flags before the end of the ...

The new Transcanyon Waterline project will replace the old pipe built in the 1970s and change how the Grand Canyon gets its water.

Three trails at the Grand Canyon are closed until further notice after a chlorine gas leak at Roaring Springs.

NASA astronauts Suni Williams and Butch Wilmore are waiting for their new ride back to Earth via SpaceX’s Crew Dragon this ...

Water from Roaring Springs is treated with chlorine to disinfect and to control microbes within it, officials noted.

A chlorine gas leak at the Grand Canyon forced the closure of several inner corridor trails until further notice, park officials announced Wednesday evening.

An emergency situation at the Grand Canyon forced the closure of inner corridor trails, including the Bright Angel Trail, ...

A father of four who was shot and killed is being remembered for his positive impact; an investigation is underway after a man died at the hospital after he was arrested in Phoenix; and more – here's ...