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SpaceX launches Starship V3—the world's most powerful and tallest rocket ever

Friday's test flight marks a major milestone for SpaceX as the company gears up to go public and to participate in NASA's Artemis III mission in 2027

Experimental Drug Yields Dramatic Weight Loss

GINA KOLATA AND REBECCA ROBBINS

People who got the injection, retatrutide, lost 28 percent of their body weight on average after 80 weeks, Eli Lilly said.

A Powerful El Niño Is Forming. If History Is a Guide, It Could Hit Hard.

CHICO HARLAN

The biggest episodes of the past have altered the course of human events, according to researchers. An emerging one is drawing historic comparisons.

Trump Eases Restrictions on Climate ‘Super Pollutants’

LISA FRIEDMAN AND MAXINE JOSELOW

The administration is delaying a phaseout of hydrofluorocarbons, potent planet-warming chemicals used in air-conditioning and refrigeration.

The universe could have 18 possible shapes

Our universe appears flat—but this observation still leaves plenty of options for its true shape. In fact, our cosmos could resemble a donut

5 Takeaways From a Times Investigation on Autism Therapy Clinics

SARAH KLIFF, MARGOT SANGER-KATZ AND ASMAA ELKEURTI

A rapidly growing industry often overprescribes treatment to young children with autism, who spend as many as 40 hours a week at the facilities.

A Very Lonely Caterpillar, Possibly the Last of Its Kind, Has Died

CATRIN EINHORN

The Sacramento Mountains checkerspot butterfly hasn’t been seen in the wild since 2022. The caterpillar was the last individual in human care.

Short Naps, Long Hours: How Autism Clinics Squeeze Medicaid Dollars Out of Preschoolers

SARAH KLIFF, MARGOT SANGER-KATZ, ERIN SCHAFF AND ASMAA ELKEURTI

The industry has grown rapidly, straining state budgets. A focus on finances has led to overbilling, fraud and even harm.

SpaceX Scrubs Launch Attempt of Updated Starship Rocket

KENNETH CHANG

The giant rocket was scheduled to lift off on Thursday after a seven-month pause. SpaceX could try again as soon as Friday.