Letters to the editors for the February 2026 issue of Scientific American ...

Drugs such as Wegovy and Ozempic can lead to profound weight loss, but fat isn’t the only thing that comes off. About 25 to 40 percent of the pounds shed through these treatments is lean body mass, ...

Brandon Ogbunu is a computational biologist whose research investigates complex problems in epidemiology, genetics, and evolution; an associate professor in the Department of Ecology and Evolutionary ...

Colette Delawalla launched Stand Up for Science to push back against Trump’s cuts to medical and scientific research Nineteen days into the second administration of Donald Trump, Colette Delawalla ...

Volcanoes are more than just dramatic mountains—they can be silent, hidden, and globally disruptive. From underwater seamounts to vast calderas beneath cities, scientists are racing to detect early ...

Researchers at Penn have created a hybrid light-matter particle that could dramatically speed up AI computing while using far ...

If he can do that, it could lead to a fundamental shift in how we think about the universe and could even explain the ...

Trump fired all 24 members of the National Science Board, the body that oversees NSF. The institutional design that built American science is at stake.

The distinction between science and consensus matters.

Breathwork and meditation may slow biological aging by reducing stress, protecting cells, and improving long-term health ...

Readers discuss artificial intelligence and writing in the classroom. Also: President Trump’s latest assault on science; ...