Cities in California, Texas, and Arizona are expecting air quality to become unhealthy for sensitive groups on Thursday.

Juniper, ash, and mulberry trees are the main pollen contributors in San Diego County, falling into “high” pollen levels ...

The Pacific Coast is tiptoeing around not one but two of the largest seismic triggers of the region’s modern history.

A total of 13 vote centers will open in San Diego's First Supervisorial District Tuesday as the final day of voting to ...

Many surf zone fatalities occur when distant hurricanes send swells to shore that create dangerous conditions at the coast, the hurricane center said.

A historic ocean liner will become the world’s largest artificial reef once it reaches its final resting place off Florida’s ...

Landfills and recycling centers in five California counties are on the list of potential fire debris disposal sites.

In a much-needed break after multiple years of severe droughts over the past two decades, California’s statewide Sierra ...

More parts of Orange County are identified where residents might be required to start taking measures to protect their homes.

There’s a place in Tustin, California where mechanical dreams come true and the air smells faintly of high-octane fuel and ...

The city’s seismologist turned climate disaster expert wants better building codes but isn’t waiting around for them.

Air-quality officials are advising people in several Southern California cities to keep their doors and windows closed amid ...