L.A. Times - Science

California health officials warn that the New World Screwworm could arrive in California from an infested traveler or animal, or from the natural travel of the parasitic flies.

Toxic algae killed hundreds of marine mammals near L.A. in the last year. Scientists suspected January wildfire runoff may be to blame, but new research says no.

Retail and marketing data suggest California is home to more synthetic turf than any other place in the world — with schools making up one of the largest sectors. Yet, Californians consistently say they want less plastic, PFAS and other contaminants in their environment. What gives?

While some COVID indicators are rising in California, others are starting to fall — a hint that the summer wave may start to decline soon.

California's COVID surge is showing signs of peaking as the state pushes back against federal guidelines that some say have jeopardized access to vaccines.

Ibogaine is a Schedule 1 drug in America with no legal medical uses. But the results, several athletes say, are game-changing.

The child died from subacute sclerosing panencephalitis, a fatal progressive brain disorder that strikes roughly 1 in 10,000 people infected with measles.

State lawmakers pass a bill that shields college students from disciplinary action if they call 911 during an overdose emergency.

After asserting for years that firefighters cannot do their jobs while wearing protective masks, the U.S. Forest Service will now provide the breathing protection.

California is one of five states with laws that do not allow religious exemptions to school vaccines. The Trump administration is moving to expand parents' right to opt out.

HHS Secretary Robert F. Kennedy Jr. said violence could be fault of antidepressants, social media and video games, but not guns.

A San Francisco family sued after finding months of alarming conversation between their son, who died by suicide, and ChatGPT.

It's hard to snuff out misinformation when the nation's health services administration specializes in it.

A pioneering study seeks to figure out how a combination of high heat and loud noise impacts the brains and health of L.A. residents.