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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.

Ocean census reveals more than 1,100 new species

Over the course of 13 expeditions and other efforts between mid-2025 and mid-2026, scientists found hundreds of previously undiscovered creatures living under the waves

RFK Jr.’s Push to Curb Antidepressants Has Shaken Psychiatry

ELLEN BARRY

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.