Doctors urge people who are experiencing respiratory problems to see a medical professional who can check their symptoms and test to determine what their illness is.

JPL hires Cal State Los Angeles civil engineering students with NASA grant. The interns can do research for NASA and learn about connections between astrobiology and science here on Earth.

New data show how the 50 states and the District of Columbia stack up in terms of life expectancy. Hawaii tops the list, and Mississippi is at the bottom.

Gus Walz, the 17-year-old son of Minnesota Gov. Tim Walz, has nonverbal learning disorder. He's one of millions of American kids with NVLD, which has been described as the opposite of dyslexia.

NASA Administrator Bill Nelson said the decision was driven by the agency's commitment to safety, especially after the disasters that beset the space shuttle program.

The plant supplies 6% of California's power, yet critics charge the facility is too expensive and too dangerous to continue operating.

Every query on Chat GPT or another artificial intelligence app requires extraordinary amounts of electricity and water. Users have no way of knowing.

Autistic people and their families say they can't find adequate help in their communities before they reach a crisis point.

An autistic child. The struggle for services. The 911 calls. This is the harrowing story of how one mom scrambled to get help for her son and keep her head above water.

The CDC says September and October are generally the best times for most people to get a COVID shot, though there are other factors to consider.

Testing has confirmed H5N1 bird flu outbreaks at three Central Valley dairy farms. Officials say the infections were likely the result of cattle transportation.

MERT is being marketed to families of children with autism. Providers suggest the treatment has been thoroughly studied, but there is little evidence to date of its efficacy.

For parents considering autism interventions for their children, evaluating treatments can be daunting. Experts talked to The Times about what to watch for.

Dr. Mark Ghaly will be stepping down as head of the California Health and Human Services Agency, Gov. Gavin Newsom announced.

There's no surer way to start a fight than to talk politics with someone who disagrees with you. But UCSB psychologist Tania Israel says it doesn't have to be that way. She sees as an opportunity to help bridge America's political divide.

'Something that Sunrise has taught me, and that I've learned from the world around me, is that hope comes through collective action but is also something that you need to practice.'

'Climate Anxiety and the Kid Question' asks: With American society feeling more socially and politically polarized than ever, is it right to bring another person into the world?

Three more California dairy herds have been infected with H5N1 bird flu. A new case of human infection has also been reported in Missouri.

Aging infrastructure, short-term thinking and ambitions that far exceed its funding are among the problems facing NASA, according to a new report.

Instead of waiting years for their studies and work to be published in academic journals, some climate scientists use social media to extend their reach — and their brand.

In his new book 'Hope for Cynics,' Stanford psychology professor Jamil Zaki explains how cynicism became an American epidemic — and how to cure it.

An AI chatbot was able to persuade people to reconsider their beliefs in conspiracy theories about the JFK assassination, the moon landing and election fraud.

San Pedro High School discovered a deposit of marine fossils on campus in 2022 and began collaborating with local paleontologists to uncover secrets from the Palos Verdes Peninsula's geological past.

Two more California dairy herds have been infected by H5N1 bird flu, bringing the state's total to eight.

An obstetrician-gynecologist has been barred from practicing at Cedars-Sinai following an investigation into complaints. The doctor has denied wrongdoing.

What did you do last summer? This teenage member of the Sunrise Movement, grieving over climate disasters and unsure about his future, helped blockade the door to JD Vance's Senate office.

With the environment constantly changing due to global warming, future generations will have a chance only if the current population takes sustainable actions.

An industrial chemical used in plastic products has been cropping up in illegal drugs from California to Maine.

Entrepreneur Emmet Stephenson and his daughter are giving $150 million to City of Hope to fund an award for innovation research in pancreatic cancer. It's the largest single gift the center has received.

Scientists say microscopic black holes could explain the elusive "dark matter" that makes up a quarter of all matter in the universe. But can it be proven?

Kids in California struggle with more cavities than kids in most states, despite Medi-Cal efforts to fix dental care administrative hurdles and focus on prevention.

California's surgeon general unveiled a new initiative Tuesday aimed at reducing maternal mortality, setting a goal of halving the statewide rate of deaths related to pregnancy and birth by December 2026.

A new study from Temple University offers an easy road map for how to reframe and conquer regrets, no matter how big or small.

Unless officials take action to develop new medications, drug-resistant infections could kill nearly 2 million people a year in 2050.

Dubbed the 2024 PT5, the 'mini-moon' will orbit Earth for nearly two months. It comes in a season of lunar phenomena.

Nicholas Green's organ donation legacy lives on 30 years later.

With 17 dairy herds in California now infected with bird flu, the state is upping its surveillance.

Samples taken in the pandemic's early weeks reinforce hypothesis that coronavirus emerged from live animal market, not a laboratory, new study says.

Uncontrolled wildfires can be powerful enough to generate their own weather.

"Let It Out," a stand-up show hosted at the Laugh Factory, aimed to demonstrate that making comedy shows inclusive for neurodivergent people could be easy.

Gov. Gavin Newsom is asking Californians to take actions in their daily lives to help combat climate change — from composting to taking public transit to avoid driving.

The U.S. Department of Health and Human Services said it will again make four free COVID tests available through the mail for households.

Enterovirus D68, which in rare cases can cause polio-like paralysis in children, is on the rise in California and across the nation, analyses show.

The number of dairy herds infected with H5N1 Bird Flu doubled over the weekend. The count is now 34.

Brett Favre, 54, says he has Parkinson's disease while testifying before a House committee about welfare fraud in which he was allegedly involved in Mississippi.

A San Fernando Valley resident is the first person in L.A. County to die this year from West Nile virus, a mosquito-transmitted illness that can cause lethal inflammation in the brain.

A new study found that as Central Valley residents go about their day, they regularly breathe in pesticides, including one banned in California.

New data from Southern California children, teens and young adults show that rising rates of depression and anxiety increased further during the pandemic.

As the range and incidence of valley fever grows, public health officials are struggling to warn visitors of the risk.

Research suggests that the patients of female physicians' fare better on average. But old-fashioned sexism is still a barrier to their success in the profession.