The source of more than half of all wildfires in the Western US remains unknown, so the US Forest Service has teamed up with computer scientists to create tools that can find answers.

Non-native grasses and eucalyptus trees brought to California centuries ago for agriculture and landscaping have reshaped the state’s fire dynamics.

Firefighting planes are dumping water from the ocean on the Los Angeles fires, but using saltwater is typically a last resort.

Essential oils, detox regimens, parasite cleanses, and raw milk have entered the disaster economy.

After the devastation of the Los Angeles fires, officials are ready to rebuild. But defending against future fires requires thinking about more than buildings.

Melted plastic pipes and drastic water-pressure drops are potentially leaching toxic chemicals and contaminants into local supplies. Multiple water authorities in north Los Angeles have issued Do Not Drink notices.

The arrival of La Niña is starving California of rain, and more high Santa Ana winds could be on the way.

Exposure to smoke is dangerous regardless of your health status, so follow these steps to limit the risk.

With wind speeds falling, firefighting reinforcements arriving from out of state, and more water sources online, authorities now have a critical window to take control of the situation.

The state’s insurance industry was reformed in late 2024 to promote coverage in disaster-prone areas. Tens of billions in fire damage will stress-test the new regime.

More than 130,000 people have been evacuated from their homes, with the fires—which are still uncontained—having been declared a major disaster by President Biden.