Already diminished by drought and extreme heat, California’s water supply will face yet another peril as wildfires continue to incinerate ever larger areas of forested land, according to new research.

A miraculous sight was photographed on the Spanish island of El Palma where the Cumbre Vieja volcano has been erupting and spewing lava for nearly a week. Hundreds of homes were devoured by the ...

LOS ANGELES — Debris flows brought on by the strongest atmospheric river of the season swept a car off a southern California highway and into the ocean and left roads submerged in sludge. While the ...

NEAR MT. RAINIER, Wash. — The destructive flow of volcanic debris, mud, and water unleashed by the 1980 eruption of Mount St. Helens destroyed more than 200 homes. These “lahars,” as they're called, ...

Two Los Angeles County wildfires that spready with alarming speed in a powerful Santa Ana windstorm are among the five most destructive fires on record in California. The Palisades Fire near the LA ...

Indonesia's Geological Agency head warned that Mount Semeru's recent pyroclastic deposits could cause secondary disasters if ...