Investigators are considering an array of possible ignition sources for the huge fires that have killed at least 16.

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

Wildfire expert Jack Cohen and fire historian Stephen Pyne felt despair this week watching the devastation wrought by Los ...

Wildfire smoke is more than just wood burning. Research shows a mix of chemicals can be released when human-made materials ...

Thousands of structures have burned to the ground in the urban setting of Southern California and may be posing a higher risk ...