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It feels like vector-borne diseases are popping up everywhere these days. Has something changed?

The defense comes after President Trump issued an executive order recommending that the singular measles, mumps and rubella, or MMR, vaccine should be separated into three, and that all childhood immunizations should be given at separate visits.

The California toxic substances agency cites what "appears to be a major source of contamination" that "may present a substantial hazard to human health."

Someday, you might be able to ride a bike from the western San Fernando Valley to Long Beach along the Los Angeles River. But an eight-mile gap downtown with a ballooning price tag remains.

The extinct toad from the ice age was found among the amphibian collection at La Brea Tar Pits and Museum.

There are no known cyclosporiasis outbreaks in California, but officials say case numbers are higher than they expected for this point in the season.

California's attorney general has added an amendment to a suit he filed in 2022 against the makers of forever chemicals. He claims the defendants were involved in a fraudulent transaction scheme.

Driven by social media hype and a growing distrust of public health guidance, consumer demand for experimental peptides has exploded over the last decade.

The operator of a cold storage warehouse that burned in Boyle Heights has said it expects to spend $80 million to $100 million to clean up the site.

Independent scientists said it appears a SpaceX rocket, about the size of a school bus, has crashed into the moon.