Multiple wildfires have ignited in Southern California in recent days, as investigators examine unusual possible ignition sources.

Firefighters are racing to keep flames away from the Santa Susana Field Laboratory, a former nuclear and rocket testing site.

Firefighters are increasing containment of three wildfires that have burned thousands acres this week and triggered ...

Three wildfires have burned more than 3,500 acres this week in Southern California and triggered evacuation orders and ...

A rapidly spreading wildfire in California has sparked evacuation orders, and several celebrity homes are at risk.

A fast-moving wildfire in Ventura County continued to grow on May 19, prompting evacuations in Simi Valley, California.

The Sandy Fire in Simi Valley started Monday, May 18, and prompted the evacuation of thousands of people. See where it is ...

A fast-moving wildfire in Simi Valley has triggered evacuation orders for multiple zones, threatening homes.

An interactive wildfire map shows active fires burning in South Florida as smoke impacts air quality and visibility across parts of South Florida.

Wildfires in Georgia and Florida continue to scorch thousands of acres more than a week after the blazes began. Maps show where they are burning.

Multiple wildfires are active across Southern California in recent days. Here's the latest on size and containment.