A wildfire burning near the Grand Canyon has grown into what experts call a 'megafire,' and it has even developed its own ...

Blazes burning across Canada are sending air quality plummeting in Detroit, Chicago, New York and other major U.S. cities ...

Driven by high winds and parched conditions, Arizona’s Dragon Bravo Fire has exploded to nearly 472 square kilometers, making ...

The Dragon Bravo Fire has exploded to over 105,000 acres, making it the largest wildfire in the United States so far this ...

The fire has burned for a month on the North Rim of the Grand Canyon, destroyed historic buildings and called for thousands of fire personnel.

Arizona researchers are working to develop some simple yet surprising ways to reduce the cancer risk for firefighters.

The Dragon Bravo Fire already destroyed the historic Grand Canyon Lodge inside the famed national park and about 100 other buildings.

A reader asks if climate change has fueled the increase in wildfires and severe storms. The answer seems clear.

The facilities house the physical equipment needed to power computing and have flocked to Arizona. But are they worth it?

Time-lapse footage shows the Dragon Bravo Fire generating a massive pyrocumulus cloud, formed when intense wildfire heat drives smoke high into the atmosphere. These fire clouds can become powerful ...

Paul Petersen, the former Maricopa County assessor convicted of operating a fraudulent adoption ring using immigrant mothers, has finished his federal prison sentence and is back in Arizona serving ...

A massive wildfire is churning through Los Padres National Forest in central California, threatening hundreds of homes and injuring ...