The source of more than half of all wildfires in the Western US remains unknown, so the US Forest Service has teamed up with ...

Wildfires like the Los Angeles blazes destroy so much, but they often spare some evidence of the cause of their ignition ...

Fueled by powerful winds and dry conditions, a series of ferocious wildfires erupted the second week of January and roared ...

But where forest fires have been suppressed for decades, the buildup of ground litter can be immense and serve as fuel for a hot and prolonged fire. If the fire reaches the upper branches of tall ...

Speculation about the cause of Los Angeles' devastating fires is rampant. The official investigations are now underway.

For the last few weeks, a team of investigators from the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives has worked ...

Perimeter, the manufacturer of the Forest Service's fire retardant ... including from a toxic mix of microscopic particles that can cause breathing and heart problems by penetrating deep into ...

SCE concedes in the filing that a conductor failure occurred near the origin of the fire, causing damaged equipment to fall ...

There are been all sorts of explanations for the Los Angeles fires. For example, the financial cutbacks in the LAFD. The fact ...

But where forest fires have been suppressed for decades, the buildup of ground litter can be immense and serve as fuel for a hot and prolonged fire. If the fire reaches the upper branches of tall ...