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

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

A chlorine gas leak at Grand Canyon National Park’s main water supply has forced park officials to close all inner canyon corridor trails. Officials said the leak occurred at Roaring Springs ...

While a visit to the Grand Canyon is mesmerizing and worthwhile, it's not necessarily easy. We consider the closest and most ...

Recently, the discovery of dangerous chlorine gas forced trail closures at Grand Canyon National Park, keeping people off the wintery trails. Over 5 million people visit the Grand Canyon every ...

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...

GRAND CANYON VILLAGE, Ariz. — All inner canyon trails at the Grand Canyon reopened after a chlorine gas leak at Roaring Springs, the national park said on Thursday afternoon. The chlorine gas ...

The National Park Service said on Wednesday evening that inner canyon corridor trails at the Grand Canyon were closed due to a chlorine gas leak at Roaring Springs. On Thursday, the leak was ...