A wildfire burning in Grand Canyon National Park triggered a chlorine gas leak Friday afternoon after flames reached a water ...

A Grand Canyon water treatment facility located at the North Rim caught fire on Saturday, causing chlorine gas to be released ...

Authorities maintained the evacuation zones for the White Sage Fire north of the Grand Canyon as the fire grew expectantly.

A massive wildfire near Arizona 's Grand Canyon National Park erupted overnight, growing more than 20 times in the past 24 ...

Hurricane Valley firefighters have been deployed to the White Sage Fire, which is exhibiting “extreme fire behavior” as it ...

Most of Minnesota and parts of Montana, North Dakota and Wisconsin were ranked “unhealthy” for air quality on a U.S. Environmental Protection Agency map.

Wildfires have forced evacuations at two national parks in the U.S. West. Black Canyon of the Gunnison National Park in Colorado closed Thursday after lightning sparked fires on both rims.

Parts of Grand Canyon National Park, a popular natural wonder in the western United States, remained closed due to two ...

MONTROSE, Colo. (KJCT) - Montrose County issued Evacuations for residences on M73, N73, N74, and O74 roads. Below is a map ...

The Wright Draw Fire, near Gateway, Colorado, burned an estimated 34 acres Friday afternoon, according to the Upper Colorado ...

So far, that fire is nearly 3,000 acres and 0% contained.

The South Rim Fire in the Black Canyon of the Gunnison National Park is now at 2,896 acres and still at zero percent contained, according to the Saturday update. The lightning-caused fire has closed ...