As climate change warms the planet, wildfires have become so unpredictable and extreme that new words were invented: firenado, gigafire, fire siege — even fire pandemic. California has 78 more annual ...

California, the most populous state, declared an emergency over the H5N1 virus as it spread more widely in dairy herds and after it has infected dozens of farm workers this year. Federal and state ...

California on Wednesday declared a statewide emergency over bird flu, with Gov. Gavin Newsom warning that “conditions of extreme peril to the safety of persons and property” meant greater ...

The U.S. Environmental Protection Agency said on Wednesday it has approved California's landmark plan to end the sale of gasoline-only vehicles by 2035. The decision in the final weeks of ...

The United States reported its first severe human case of bird flu on Wednesday, involving a Louisiana resident, as California declared a state of emergency to address the escalating outbreak.

A preliminary 3.6 magnitude earthquake struck Wednesday morning off the Northern California coast, according to the United States Geological Survey. The quake struck at 6:45 a.m. and was centered ...

The Environmental Protection Agency on Wednesday granted California permission to set stronger limits on harmful emissions from cars, SUVs and trucks, setting up a clash between the liberal state ...

Earth received a direct hit from a mass of charged particles from the sun last night, which cause displays of the Northern Lights. Although forecasters had warned of a mild display of aurora ...

SAN FRANCISCO (KGO) -- A tornado ripped through a Santa Cruz County neighborhood Saturday, injuring several people, flipping over cars and leaving behind damage. Cleanup will likely continue for ...

The future of horse racing in Northern California was dealt a blow Monday when the California Authority of Racing Fairs voted unanimously to withdraw its application for a racing meeting starting ...

soaking up the energy of a once-poor village near Vietnam’s northern port of Haiphong that has suddenly joined the march of global trade. “It makes me happy,” said Mr. Van Thinh, 73 ...