The North American monsoon plays an important role in the climate of the Four Corners states, bringing crucial moisture to areas that would otherwise be dry.

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.

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

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

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

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

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

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.

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.

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.

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.

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.

Although California dairy farmers anticipated a bird flu mortality rate of less than 2%, some say between 10% and 15% of infected cattle are dying.

John Hopfield dreamed up the modern neural network while at Caltech. Geoffrey Hinton built on it, creating an AI firm that Google bought for $44 million.

California legislators for years have granted extensions on a 1994 law requiring hospitals to retrofit their buildings to withstand earthquakes. Gov. Gavin Newsom in September vetoed an extension for all hospitals but signed a bill granting relief to rural and "distressed" hospitals and some others.

NASA JPL's Europa Clipper spacecraft, the largest planetary probe ever built, will launch as early as Friday to explore Jupiter's icy ocean moon.

A severe geomagnetic storm could disrupt communications and bring northern lights to parts of California, according to a warning from the National Oceanic and Atmospheric Administration.

NASA probe launches aboard SpaceX rocket to search for the building blocks of life on Europa, Jupiter's icy ocean moon.

Robert F. Kennedy Jr. described fluoride, which occurs naturally in all fresh water supplies, as an 'industrial waste' associated with various health risks.

From family planning to hospital bills, the new Trump administration has the potential to affect a wide range of policies in the Golden State and beyond.

Gas prices could rise after vote by California regulators

Two PGA Tour golf officials will testify as witnesses in front of a Senate subcommittee hearing on the LIV Golf merger next week, the committee's leaders announced Monday.

An off-duty Los Angeles County Sheriff's Department deputy was shot and killed by police at a golf course on Tuesday after he allegedly started shooting his gun following a domestic situation.

Former President Trump is scheduled to headline fundraisers in San Francisco, Beverly Hills and Newport Beach next week after his felony convictions.

New amendments to the California Journalism Preservation Act aim to make it more like a similar law in Canada.

State officials want to use artificial intelligence to translate public healthcare and social services documents and websites. But some experts worry AI may introduce errors.

A new poll shows that California voters are increasingly moving to social media, such as TikTok, for election information.

California lawmakers are trying to get ahead of AI in the workplace, but are already playing catchup

California news publishers and Big Tech companies appear to be inching toward compromise on legislation requiring digital platforms to pay news outlets.

The bill would tax Amazon, Meta and Google for the data they take from users and pump the money into news organizations in the form of tax credits.

California's efforts to protect children from the harms of social media have faced legal challenges from the tech industry.

Long Beach's digital rights platform consists of data privacy notices for about 20 unique city-deployed technologies that collect personally identifiable information.

Legislation from State Sen. Scott Wiener would introduce standards for product safety testing and liability.

SB 1047 would require AI firms to share their safety plans with the attorney general upon request and face penalties if catastrophic events happen.

The surge in deepfake images and videos online of U.S. presidential candidates Donald Trump and Kamala Harris have raised questions over whether the false information could impact the election.

Lawmakers agree to shelve the California Journalism Preservation Act, which aimed to revive the struggling news business by forcing Google to pay for news content it distributes.

After clearing many hurdles in the state Legislature, Sen. Scott Wiener's bill to require developers to put safeguards around their advanced AI models is one step closer to becoming law.

California lawmakers want to strengthen protections against digitally altered media ahead of the Nov. 5 election, but questions about enforcement linger.

If Gov. Newsom vetoes SB 1047, the forces of anti-regulation — AI companies — will have little incentive to work on alternatives.

Californians can now securely add their digital driver's license or state ID to the Apple Wallet app on their iPhone and Apple Watch, the company announced Thursday.

Weeks after California announced a $250 million public-private partnership with Google to fund local news outlets and develop AI, many aspects of the deal remain uncertain.

As artificial intelligence and cloud storage hoover up more and more space on the nation's computer servers, real estate developers are racing to build new data centers or convert existing buildings to data uses.

The governor said he seeks to balance his desire to preserve California's role as the vanguard of technology against his job to shield society from potential harm.

Two bills newly signed by Gov. Gavin Newsom outlaw the possession and distribution of sexually charged images of minors even when they're created with computers, not cameras.