Melting snow from California's Sierra Nevada is filling reservoirs. But dry conditions have shrunk the flow of the Colorado River, straining a vital supply for Southern California.

Ground squirrels at this park have long been a problem for the city, which has been cited by the county for overpopulation and has tried a number of suppression methods.

According to one app for nature observers, it's the most commonly seen creature in California: the western fence lizard. Why? The answer reflects how humans have invaded its space and how it has adapt...

Cal Fire added at least 2.8 million Californians to fire hazard zones. Here's how to check which zone you're in and what that means.

A memo from an Army Corps of Engineers officer shows water managers and lawmakers pushed back against the Trump administration's plan to dump water from two California dams.

You can’t always stop wildfires from starting, but you can prepare for them.

Cal Fire added more than 360,000 acres in coastal Northern California to its fire hazard zones where heightened fire safety regulations will apply. New Southern California maps come out March 24.

A Times analysis shows that half the homes destroyed in Pacific Palisades and Altadena were rentals, raising questions about the future of affordable housing in the communities.

Cal Fire released updated fire hazard maps for dozens of cities and towns in inland Northern California. All but one saw an increase in the number of acres in zones with heightened fire safety regulat...

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The vast majority of homes destroyed in the Eaton fire were outside of Cal Fire's "very high" fire hazard severity zones, yet a newer approach by an independent company had found Altadena had "severe"...

The vast majority of homes destroyed in the Eaton fire were outside of Cal Fire's "very high" fire hazard severity zones, yet a newer approach by an independent company had found Altadena had "severe"...

The Trump administration abruptly sent water flowing from two California dams. The action could leave less water in dams for the summer, when farmers typically use it.

The Trump administration abruptly sent water flowing from two California dams. The action could leave less water in dams for the summer, when farmers typically use it.

Amid an extended red flag warning, a new fire exploded north of Castaic. Evacuations were ordered after 11 a.m. Wind gusts reached 31 mph Wednesday afternoon in the area and were expected to increase ...

We're tracking damage assessments from the Eaton and Palisades fires, which destroyed 12,000 structures in Altadena and Pacific Palisades.

The Eaton fire cut a brutal swath through Altadena and a cherished way of life in this eclectic foothill community it upended.

The first snowpack survey of the season in the Sierra Nevada shows that L.A.'s water supply looks good right now. But there are warning signs that we are in for dry seasons in the coming months.

Climate change continues to worsen the coastal storms that batter California's aging piers. The result is frequent and expensive repairs.

A ferocious wildfire was spreading rapidly early Tuesday in Malibu, spurring evacuations along the coast while nearby Pepperdine University issued a campus-wide shelter-in-place order and firefighters...

Bob Fernandez was a sailor assigned to the USS Curtiss on Dec. 7, 1941. “I wish that they never would have come"

Journalists of the Los Angeles Times are committed to shining a light on injustice, exposing wrongdoing, and seeking the facts. We speak truth to power, regardless of which party is in power.

California's Department of Water Resources set its initial water allocation for the State Water Project at 5% — a level that could change in the coming months depending on the weather.

Nearly $20 million will go to electrify UCLA's bus fleet and install underground charging for buses along a route that stretches for less than a mile in Westwood.

Groundwater pumping has been causing the land to sink at a record pace in California's San Joaquin Valley. New research suggests ways of addressing the problem.

The United Nations estimates that up to 10% of all human-produced greenhouse gases are generated by food loss and waste. That’s nearly five times the emissions from the aviation industry.

California is now producing so much solar energy that the state must increasingly ask solar farms to stop producing to prevent overloading the electric grid. In the last 12 months, power that would ha...

Most of the area burned by the Mountain fire was in sparsely populated areas, but when high winds helped the blaze leap across Highway 118, it began threatening a suburban neighborhood in the Camarill...