From living matter to molecules to elementary particles, the world is made of “chiral” objects that differ from their reflected forms.Read More 

New data from a Phase 3 trial show that the daily anti-obesity pill may be as safe and effective as drugs like Mounjaro and Ozempic for weight loss and lowering blood sugar.Read More 

The International Energy Agency estimates that 70 percent of the fossil fuel sector’s methane emissions could be cut with existing technologies—many of which would save polluters money.Read More 

As ultra-long-haul routes take flight, plane-lighting hacks and meal planning could help passengers recover faster.Read More 

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.Read More 

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.Read More 

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.Read More 

President Donald Trump has supported use of asbestos in the past and blamed the mob for its bad reputation.Read More 

NASA astronauts (left to right) Anne McClain and Nichole Ayers pose for a portrait together aboard the International Space Station. Moments earlier, Ayers finished trimming McClain’s hair using an electric razor with a suction hose attached that collects the loose hair to protect the station’s atmosphere. NASA Students from New York and Utah will hear [...]

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.Read More