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

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.

The White Sage Fire near the North Rim has grown to more than 19,000 acres, authorities said, while the nearby Dragon Bravo Fire has burned at least 5,000 acres.

The White Sage Fire has burned 19,153 acres, and the nearby Dragon Bravo Fire has burned 1,500 acres. Neither of the fires has any contamination.

The wildfire closed the North Rim's visitor center and forced the evacuations of anyone living nearby, as firefighters ...

Rapid growth on the South Rim fire in Black Canyon of the Gunnison National Park forced immediate evacuations in Montrose ...

Authorities increased the size of the evacuation zone for the White Sage Fire north of the Grand Canyon on Friday morning.

The Black Canyon of the Gunnison National Park, a popular outdoor destination in western Colorado, was closed to the public ...

Evacuations have been ordered for the area north of Jacob Lake, in northern Arizona, due to the White Sage Fire.

Strong winds and hot, dry weather continue to fuel two separate wildfires near the northwestern side of the Grand Canyon ...

Access via the North Rim, a lesser-used gateway to the national park, was closed as the White Sage fire continued to burn on ...

The White Sage Fire near the North Rim of the Grand Canyon has grown to 19,000 acres, prompting evacuations for nearby residents, according to the Bureau of Land Management. As of the morning of July ...