L.A. Times - Science

'Dead to Me' star Christina Applegate ventures a guess at what might be causing her symptoms that led to her MS misdiagnosis: poisoning.

Many doctors who have witnessed suffering in end-of-life care say they would not want any "heroics." But when the time comes, they might understand their patients' choices a little better.

SoCal stargazers can brace for a November packed with astronomical events, including the Taurids meteor showers and a close encounter between Jupiter and Mars.

As HHS loosens peptide restrictions, advocates and entrepreneurs embrace unproven compounds despite researchers' warnings

Neil deGrasse Tyson joined Travis and Jason Kelce on "New Heights," using jokes and science to tackle NFL locker-room claims that the moon landings were faked and Earth is flat.

Storm events spread microplastics across the environment, even to places that are nearly unreachable. A UC Riverside scientist skied into wilderness far off the beaten path, and found the polluting particles everywhere she looked.

As West Nile virus concerns rise, some parents are turning to essential oil patches for easy bite prevention. Mosquito authorities explain why you should stick to sprays instead.

CalRecycle issued its final baseline number for plastic reduction in the state. It's even lower than the lowball the industry suggested this summer: 1/3 of the state's preliminary estimate.

Health officials cited ongoing litigation against Chiquita Canyon as the reason for not participating. Lawmakers called it "unfortunate and disappointing."

Federal biologists made a last-minute decision to relocate the eggs after forecasters predicted high tides would swamp their nests on Orange County beaches.

A study of former NFL players who died from 2008 to 2023 estimates that 74.5% had CTE, accounting for bias in brain donations because the disease can be diagnosed only after death.

California Atty. General Rob Bonta announced Tuesday that his office is seeking civil penalties and equitable relief against the operators of Castaic's Chiquita Canyon Landfill for allegedly mismanaging the operation, lawsuit says.

A new global strategy launched at the U.N. biodiversity conference in Armenia aims to bring fungi — from mushrooms to yeasts — into international conservation efforts.