A fire that erupted Tuesday in the Santa Ana River bottom in Jurupa Valley charred about a quarter acre in heavy brush before crews stopped it. The non-injury blaze was reported at 3:33 p.m. on the ...

Los Angeles County keeps building in hillsides and canyons even as the fire risk worsens. For a century, the lure of ...

Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...

Powerful Santa Ana winds, with gusts reaching hurricane strength, swept down the mountains outside Los Angeles and spread ...

The Santa Ana winds tend to cause the same corridors to burn over and over again. Experts say the region needs to adapt.

Extreme conditions helped fuel the fast-moving fires that destroyed thousands of homes. Scientists are working to figure out ...

At 2.6°C of warming, which is expected by 2100 under current scenarios, similar fire-weather in January will become a further ...

Human-driven climate change set the stage for the devastating Los Angeles wildfires by reducing rainfall, parching vegetation ...

A melting ice patch in the Rocky Mountains uncovered an ancient forest, and these trees have stories to tell about dynamic landscapes and climate change. Melting ice high up in the Rocky Mountains ...

"This vegetation is extremely dry,” LA County ... As high-pressure systems move east to west over the Santa Ana Mountain range, wind is forced down where it’s compressed and warms up.