Astronomy

Diabetic eye disease robs sight from millions. But there are often ways to save vision

Genetic screening can mean that people at risk of type 1 diabetes get earlier treatment and better outcomes

Advocates are lightening mental health burdens, improving pregnancy care and helping patients in developing countries

A new drug slows insulin-dependent diabetic deterioration and has sped up development of a complete remedy

Living with type 1 diabetes today is leaps and bounds easier than it was decades ago. Things are only getting better

Controversial evidence hints that complex life might have emerged hundreds of millions of years earlier than previously thought—and possibly more than once

Your brain gets used to wrongdoing. It can also get used to doing good

Curveballs; poison wallpaper

Play this crossword inspired by the November 2025 issue of Scientific American

The U.S. wants to remain a superpower in space. It can’t without supporting NASA

Science in meter and verse

Decode a confusing clock in this math puzzle

Writers, artists, photographers and researchers share the stories behind the stories

Letters to the editors for the June 2025 issue of Scientific American

Workouts seem to release body chemicals that improve cancer survival and limit recurrence

Experts say the strongest scientific studies identify three compounds that fight disease and inflammation

This autoimmune disease impacts millions of people worldwide, with some underserved communities bearing the brunt

A famous graphic, now updated, compares locomotion in the animal kingdom

Snake oil, smuggling and a fundamental change in the way we understand life