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.

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

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.

Crews are currently battling the lightning-caused fire, which has burned over 19,000 acres of land near Fredonia.

A wildfire that has scorched more than 40,000 acres has forced people living, working or visiting the Grand Canyon North Rim to evacuate.

The White Sage and Dragon Bravo fires have burned a combined 24,000 acres, only miles apart from one another near the Grand ...

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

Fast-spreading wildfires have forced the evacuation of part of the Grand Canyon, with the US National Park Service ordering ...

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

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