Thomas Daniel Gibbs, 35, of New Jersey, went missing in the Grand Canyon days before a mega-fire was declared, remaining ...

The Dragon Bravo Fire exploded in size to 105,415 acres along the Grand Canyon’s North Rim on Thursday as heat and strong ...

Firefighters have been fighting Dragon Bravo Fire at the Grand Canyon since July 4, but it has been intensifying due to ...

The Dragon Bravo Fire, which has burned since July 4 on the Grand Canyon's North Rim, has become the largest wildfire in the ...

Timelapse footage captured a pyrocumulus cloud, or fire cloud, rising into the sky over Arizona as the Dragon Bravo Fire ...

A dramatic pyrocumulus cloud, or fire cloud, formed as the large Dragon Bravo Fire burned along the Grand Canyon's North Rim ...

A USA TODAY analysis found more than 600 fires that burned at least partly inside national parks in the past four decades.

The wildfire that destroyed the historic Grand Canyon Lodge​ earlier this month has expanded in recent days, fueled by hot, ...

Historically dry conditions have combined with gusty winds to make it harder for crews to get a handle on a wildfire burning ...

Wildfires burning at the Grand Canyon and in Utah are so hot that they're spurring the formation of "fire clouds" that can create their own erratic weather systems.

A wildfire that broke out in the North Rim of the Grand Canyon has now been deemed a "megafire" due to its size.

Both it and the Monroe Fire, burning further north near Monroe, Utah, are generating pyrocumulus clouds — sometimes called ...