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U.S. Aims to Give Cold War Plutonium to Start-Ups for Nuclear Fuel
Companies say it’s a better way to dispose of the Cold War-era material — and fix a shortage of nuclear fuel. But the plan has also faced criticism.
Eli Lilly to Buy 3 Vaccine Developers
The drugmaker said it would spend up to $4 billion to acquire small companies exploring vaccines for shingles, Epstein-Barr virus and other pathogens.
Scientists Ditched a Scary Climate Scenario. What Now?
While global warming is still a threat, the decision to back away from a worst-case outlook raises questions about whether some risks have been overstated.
A Powerful H.I.V. Drug Lands in Zambia. But Will It Reach Those Who Need It?
Lenacapavir, which protects people from H.I.V. infection with twice-yearly shots, is arriving in a country where the health system has been hollowed out by American aid cuts.
Where to See the Total Solar Eclipse on Aug. 12
On Aug. 12, parts of Greenland, Iceland, Spain and Portugal will experience the thrill of daytime darkness. Here’s where you can witness the cosmic spectacle.
Threat of Toxic Explosion in Orange County, Calif., Eliminated, Officials Say
Evacuation orders remained in place for more than 40,000 residents around Garden Grove, Calif., the location of an industrial site containing an unstable tank of toxic chemical.
One-and-Done Heart Disease Prevention? Scientists Show It May Be Possible.
A single infusion of an experimental gene-editing drug seemed to reduce LDL long-term in a small trial. The results may point to something “curative,” one expert said.
Rafe Pomerance, the Paul Revere of Climate Change, Dies at 79
An environmental lobbyist and activist, he was a pivotal figure in drawing public attention and political support to the existential issue.
RFK Jr.’s Push to Curb Antidepressants Has Shaken Psychiatry
An annual psychiatric meeting was abuzz over Robert F. Kennedy Jr.’s call to rein in the use of depression medications. Some fear it will drive patients away from care.
How to Stay Safe Around Jellyfish This Beach Season
Jellyfish myths and misconceptions abound. Here’s how to stay safe this beach season around these gelatinous wonders.
5 Takeaways From a Times Investigation on Autism Therapy Clinics
A rapidly growing industry often overprescribes treatment to young children with autism, who spend as many as 40 hours a week at the facilities.
Short Naps, Long Hours: How Autism Clinics Squeeze Medicaid Dollars Out of Preschoolers
The industry has grown rapidly, straining state budgets. A focus on finances has led to overbilling, fraud and even harm.
SpaceX Gives a Go to Loading of Propellants Ahead of Launch Attempt of Starship Rocket
If a problem with the launch tower is fixed, SpaceX will try to launch on Friday evening.
A New Era of Exploring the Universe in Radio
With 263 antennas spread across the U.S. and Mexico, the Next Generation Very Large Array, would join a new wave of radio astronomy.
A Very Lonely Caterpillar, Possibly the Last of Its Kind, Has Died
The Sacramento Mountains checkerspot butterfly hasn’t been seen in the wild since 2022. The caterpillar was the last individual in human care.
When Humans Went Away, the Wildlife Strayed
When people disappeared from the landscape, as they did during the pandemic, wild animals changed how they used space and resources, scientists found.
A Powerful El Niño Is Forming. If History Is a Guide, It Could Hit Hard.
The biggest episodes of the past have altered the course of human events, according to researchers. An emerging one is drawing historic comparisons.
Trump to Ease Restrictions on Climate ‘Super Pollutants’
The administration will delay a phase out of hydrofluorocarbons, potent planet-warming chemicals used in air-conditioning and refrigeration.
SpaceX to Attempt Its 12th Test Flight of Starship
The giant rocket is scheduled to lift off on Thursday after a seven-month pause and a month before SpaceX’s planned public offering.
Experimental Drug Yields Dramatic Weight Loss
People who got the injection, retatrutide, lost 28 percent of their body weight on average after 80 weeks, Eli Lilly said.
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