Authorities warned this week of a possibly "life-threatening, destructive" Santa Ana windstorm, one that could rival or exceed conditions during the recent Mountain and Franklin fires. The ...

A section of the upper mantle and crust under the Sierra Nevada mountains is peeling away, in a process that may mimic how ...

Environmentalists and farmers are challenging Arizona's approval of an air pollution permit for Copper World Mine, claiming it's lax on toxic dust.

The L.A. Times Features team shares the places that have helped them amid uncertainty, be it a hot spring, cool desert, ...

City workers and celebrities, teachers and tycoons talk about what they lost in the Los Angeles fires — and how they’ll ...