The Dragon Bravo Fire in northern Arizona is now the seventh largest in the state since 1990. Here's how much it's burned.

A wildfire that has closed the North Rim of Grand Canyon National Park raged out of control over the weekend and is now the ...

Pyrocumulus clouds, otherwise known as flammagenitus or “fire clouds,” develop due to “convection initiated by heat from ...

While the Dragon Bravo Fire has burned more than 123,000 acres, much of the surrounding national park remains open. Here’s ...

The fire in Grand Canyon National Park has grown to more than 100,000 acres amid dry weather and a weak monsoon season in ...

Nearly a century ago, fire crews at Grand Canyon National Park used tree towers — ladders attached to the park’s tallest ...

The massive wildfire burning near the Grand Canyon has been so intense at times that it created its own weather.

The Dragon Bravo Fire, burning along the North Rim of the Grand Canyon, has now spread to more than 130,000 acres.

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

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

The Dragon Bravo Fire continues to grow as more than 130,000 acres are covered, with containment remaining at 13 percent.

As of Aug. 1, 1,189 personnel are working to contain the fire, which is being fueled by mixed conifer, aspen regeneration and ...