Walter Foxcroft, 43, was found dead inside a hyperbaric chamber at the Arizona facility he co-founded last year.

Officials said the Dragon Bravo Fire, burning in the North Rim of Grand Canyon National Park, "exhibited extreme and volatile ...

The Dragon Bravo Fire at the North Rim of the Grand Canyon National Park intensified over the weekend, destroying 50-80 ...

Authorities maintained the evacuation zones for the White Sage Fire north of the Grand Canyon as the fire grew expectantly.

One man is dead after fire inside a hyperbaric chamber in Lake Havasu City, Ariz., the second such fatality in the United ...

There are new concerns over hyperbaric chambers after an Arizona physical therapist was killed by a "flash fire" while inside ...

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

The White Sage Fire was burning in Arizona bout 15 miles southeast of Fredonia in Coconino County and north of the Grand ...

The White Sage Fire near Fredonia, Arizona, has more than doubled its size since Saturday, burning 40,186 acres. As 500 personnel work the blaze, it remains 0% contained as of ...

A hyperbaric chamber caught fire in Arizona, leading to the gruesome death of a 43-year-old man inside the highly pressurized ...

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

Parts of the Jacob Lake area are under GO evacuation orders, and the North Rim of the Grand Canyon is also evacuating. The fire has grown to 19,573 acres.