‘Major Anomaly’ Behind Latest SpaceX Starship Explosion
SpaceX CEO Elon Musk suggested on X that a high-pressure nitrogen tank failure was behind the explosion of the company's massive Starship rocket.
The FDA Just Approved a Long-Lasting Injection to Prevent HIV
Clinical trials have shown that six-monthly injections of lenacapavir are almost 100 percent protective against becoming infected with HIV. But big questions remain over the drug’s affordability.
How Much Energy Does AI Use? The People Who Know Aren’t Saying
A growing body of research attempts to put a number on energy use and AI—even as the companies behind the most popular models keep their carbon emissions a secret.
The EPA Plans to ‘Reconsider’ Ban on Cancer-Causing Asbestos
President Donald Trump has supported use of asbestos in the past and blamed the mob for its bad reputation.
US Supreme Court Upholds Tennessee’s Ban on Gender-Affirming Care for Minors
In United States v. Skrmetti, the Supreme Court ruled that Tennessee’s ban on gender-affirming care for minors was not unconstitutional—the first case of its kind on which the court has ruled.
Scientists Discover the Key to Axolotls’ Ability to Regenerate Limbs
A new study reveals the key lies not in the production of a regrowth molecule, but in that molecule's controlled destruction. The discovery could inspire future regenerative medicine.
This Historian Has Seen the Future of Trans Health Care
Jules Gill-Peterson doesn’t want to fight for trans joy. She wants to fight for what trans people really need: resources, hormones, and surgery. Her latest arena? The US Supreme Court.
A New Obesity Pill May Burn Fat Without Suppressing Appetite
An investigational drug developed by Eolo Pharma is showing promise in animal experiments and an early human trial. It could eventually be an alternative or add-on to popular GLP-1 medications.
The Mysterious Inner Workings of Io, Jupiter’s Volcanic Moon
Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about geologically active moons.
Wood Pellet Mills Are Prone to Catching Fire. Why Build Them in California?
Facilities that make wood pellets have a track record of catching alight. Yet there are plans to build several near Yosemite’s tinderbox forests.