LA Post: Top Science stories and news headlines

Economy|Science|Technology

US Senator Sanders and Trump ally Bannon call for stronger AI oversight

Progressive U.S.

September 15, 2026

Business|Environment|Health|Science|Technology

3M, DuPont must face Connecticut firefighters' lawsuit over 'forever chemicals'

A federal judge on Tuesday said more than 20 defendants including 3M, DuPont and Honeywell must face claims by Connecticut firefighters who said their

September 16, 2026

Saudi Arabia issues wide-ranging security alerts after week of strikes

Saudi Arabia issued security alerts over a range of territory on Tuesday, including in the holy city of Mecca and second-largest

September 15, 2026

Science|Technology

US nuclear regulator's overhaul of rules to run well into 2027, its chief says

The U.S. nuclear power regulator's overhaul of rules, part of a push to cut approval times for new reactors to 18 months, will continue well into next

September 16, 2026

Business|Environment|Health|Science

Gold mining expands fastest on Indigenous lands in Brazil’s Amazon, new analysis finds

A new report by the Amazon Environmental Research Institute has found that gold mining poses a significant threat to Indigenous lands in the Brazilian Amazon

September 16, 2026

Arts|Interview|Opinion|Science|Technology

Americans value press freedom, but new surveys show support for restrictions in certain cases

Most Americans value press freedom but also support limits on reporting in specific circumstances, such as protecting national security

September 16, 2026

Education|Health|Science

Pittsburgh’s kindergartners fall below the measles safety threshold, testing the city’s vaccine legacy

Pittsburgh helped pioneer the polio vaccine. Now, as measles cases rise across Pennsylvania, an epidemiologist explains the disease and the vaccine that prevents it.

September 16, 2026

Science|Technology

US agency orders Tesla to answer questions on Cybercab certification

The U.S.

September 16, 2026

Business|Science|Technology

AI coding agent startup Factory triples valuation to $5 billion in latest funding round

Factory, a startup developing AI agents for enterprise engineering teams, said on Tuesday it had raised $200 million in a funding round that more than tripled its valuation to $5

September 16, 2026

Trump administration plans $2.8 billion munitions sale to Israel, sources say

President Donald Trump's administration is planning to sell to Israel a munitions package worth $2.8 billion, which will include tens of thousands of

September 16, 2026

Health|Science

Pennsylvania measles-associated deaths climb to four as outbreak grows

The Pennsylvania Department of Health on Tuesday reported two more measles-associated deaths, both in unvaccinated individuals, bringing the

September 15, 2026

Israeli strikes in Gaza kill five people, medics say

Israeli airstrikes killed at least five Palestinians, including two children and a Hamas armed commander, in northern and southern Gaza on Tuesday,

September 15, 2026

Science|Technology

SpaceX targets first Starship orbital test on September 22

SpaceX said on Tuesday it was preparing to launch its next Starship flight test as soon as September 22, a mission expected to send the vehicle into orbit for the first time and

September 16, 2026

Health|Science

Mother pushes for federal ban on retail nitrous oxide sales after son's death

September 16, 2026

Iran war expected to cause a spike in US inflation, according to budget watchdog

September 16, 2026

Iran war has cost the US more than $38B, budget office says

The war against Iran has cost the U.S. more than $38 billion through Aug. 1 and will continue to cost up to $3 billion a month or more

September 16, 2026

Science|Technology

Tech CEOs call for AI regulation. Trump and Congress are not rushing to act

The technology industry is urgently warning about the potential harm of artificial intelligence, but political inaction in Washington poses a challenge

September 15, 2026

Student with rare KAT6 syndrome inspires school's fundraising walk

September 16, 2026

Health|Science

A fourth measles death is reported in Pennsylvania

Pennsylvania officials are reporting a fourth measles-associated death

September 16, 2026

Science|Technology

US admission of orbital weapons seen as landmark moment in race with China, Russia

The U.S. acknowledgment this week that the Pentagon is operating weapons in Earth's orbit marks a landmark moment in space

September 15, 2026

Science|Technology

Russia says US acknowledgement of orbital arms ignores space conflict consequences

Russia's Foreign Ministry said on Tuesday the U.S. acknowledgement that Washington had deployed orbital weapons ignored the possible consequences of a conflict and threatened long-

September 15, 2026

Environment|Science|Technology

Some birds survived the asteroid that wiped out dinosaurs. A fossilized poop can help explain why

September 16, 2026

Business|Economy|Health|Science|World

For the first time, Japan has more than 100,000 centenarians

September 15, 2026

Business|Economy|Science|Technology

MediaTek launches new mobile chip using TSMC's most advanced technology

Taiwan's MediaTek unveiled on Tuesday a new smartphone chip made using TSMC's most advanced manufacturing technology, as it targets the premium handset

September 15, 2026

Science|Technology

From hallucinating AI chatbots to wiping out humanity: How did we get here?

The heads of leading U.S.

September 15, 2026

Kremlin welcomes Trump's idea of energy truce with Ukraine, calls for sanctions removal

The Kremlin said on Tuesday it welcomed a U.S. proposal for a Russia-Ukraine moratorium on attacking each other's energy infrastructure, while saying it was also necessary

September 15, 2026

Business|Economy|Science|Technology|World

South Korea, Kazakhstan sign MoU on atomic energy, explore mineral trade

South Korea and Kazakhstan signed a memorandum of understanding on cooperation on the peaceful use of nuclear energy as their leaders met on Tuesday and pledged to work

September 15, 2026

Health|Science|US

Trust in measles vaccines falls in US, Reuters Ipsos poll finds

Americans' trust in vaccines for deadly childhood diseases including measles has fallen in recent years, a new Reuters/Ipsos poll

September 15, 2026

Health|Science

Dengue-carrying mosquitoes expand their reach into new territories – including Florida

As dengue spreads further outside its normal tropical zones, doctors and patients need to know what to watch for.

September 15, 2026

Education|Science|Technology

We paid college students about $5 a night to sleep at least 7 hours – and their grades quickly improved

Universities and colleges won’t necessarily pay students to sleep. But they can offer other incentives that encourage them to close their eyes earlier.

September 15, 2026

Education|Science|Technology

No, AI systems don’t have a drive to survive – a developmental psychologist explains why it only looks that way

In tests, some AI systems resisted being shut down. But an instinct to stay “alive” isn’t the reason they behaved that way.

September 15, 2026

Arts|Science|Technology

Is science journalism dying? Comparing a ‘science crash’ 40 years ago to today

While science journalism layoffs pile up and publications shutter, more science communication than ever is available via other online venues.

September 15, 2026

Business|Science|Technology

FTC chair suspicious of calls for AI antitrust exemptions

The chairman of the U.S.

September 15, 2026

Health|Science

Testosterone scripts for women rise, along with denials and delays

Women increasingly turning to testosterone therapy to manage menopause symptoms are running into unexpected prescription delays and denials at pharmacies,

September 15, 2026

Business|Economy|Science|Technology

Delos Data, a chip startup founded by Intel veterans, raises $100 million for AI networks

Delos Data, a startup founded by veterans of Intel Corp, on Tuesday said it has raised $100 million to develop chips and software that can move

September 15, 2026

Business|Science|Technology

European chip startup Axelera wins AI factory supply deals and launches second chip

Dutch chipmaking startup Axelera AI has signed multiple contracts to supply chips to AI factories, it said on Tuesday as it launched "Europa", its

September 15, 2026

Environment|Science|Technology

Thousands of gallons of diesel spill from AI data center

September 15, 2026

US strips millions in military aid from Europe and Mideast to back Trump-aligned nations in Americas

The Trump administration is stripping tens of millions of dollars in U.S. military assistance to countries in Europe and the Middle East to support conservative-leaning governments in Central and South America

September 15, 2026

Political|Science|Technology

Johnson says no moratorium on AI, would give China competitive edge

U.S.

September 15, 2026

Science|Technology

OpenAI is working with Anthropic, Google on AI safety, Bloomberg News reports

OpenAI is working with rivals Anthropic and Alphabet's Google DeepMind on AI safety, Bloomberg News reported on Tuesday, citing the ChatGPT maker's global policy chief Chris Lehane

September 15, 2026

Alarmed Yemenis flee south as Houthis keep up attacks

After a drone strike sent shrapnel flying into his wife's chest, killing her, Muhammad Aiyash and his three children fled with no belongings to a new makeshift camp for the

September 15, 2026

Science|Technology

Limit AI now or humanity will lose its agency, says Nobel laureate Ressa

Artificial intelligence, having hijacked humanity's attention through social media and our biology by manipulating our need for intimacy, will take away our

September 15, 2026

Science|Technology

Investors nervous about AI spending slowdown after industry warnings

Investors are showing some nervousness over the stock market's AI-led rally after industry leaders called for reining in the pace of development — although some say

September 15, 2026

Arts|Environment|Interview|Science|Travel

An artist captures how summer's heat waves hit Paris and its homeless so hard

Paris has been grappling with intense heat and illustrator Marina Antonova captures this in her series “Chronicles of a Heating Planet.”

September 15, 2026

Education|Science|Technology

Microsoft commits to sweeping AI privacy rules for students. Will other tech giants follow?

As the new school year kicks in, the debate around student AI use is raging

September 15, 2026

Gates Foundation warns AI could widen inequality as foundation pledges $1B to expand access

Bill Gates is warning technology companies and world leaders that they must act now to ensure artificial intelligence combats social inequities

September 15, 2026

Political|Science|Technology

Trump calls AI risks a 'hoax,' says there is a 'SICK conspiracy' against AI and data centers

President Donald Trump says he is a sufficient guardrail against rogue artificial intelligence, claiming that any efforts to limit the technology are part of a “SICK conspiracy.”

September 14, 2026

Science|Technology

Trump dismisses AI alarms as a ‘HOAX’ — worrying White House officials

September 14, 2026

A Vermont man is on trial for shooting 3 Palestinian students. He claimed the CIA told him to do it

Jason Eaton insisted he was acting on orders from the CIA and Mossad when he shot three Palestinian college students who were walking past his home a few days after Thanksgiving

September 15, 2026

Science

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