A wildfire is an uncontrolled fire that burns in wildland vegetation, often in rural areas, according to National Geographic. A lightning strike, or a human-made spark, are common causes of wildfires.

This story appears in the February 2019 issue of National Geographic magazine ... has worsened a trifecta of troubles—bark beetles, wildfires, and invasive plants such as cheatgrass—doing ...

Their mission: extinguish fires before they rage out of control. This story appears in the May 2019 issue of National Geographic magazine. The sun is still high in the Alaskan summer sky when the ...