Astronomy

Satellites in orbit would begin to collide in a matter of days if they lost manoeuvrability during a solar storm or other outage

Satellites in orbit would begin to collide in a matter of days if they lost manoeuvrability during a solar storm or other outage

Inside the desperate rush to save the southern resident killer whales

The sex of many turtles, crocodilians, and other reptiles is determined by the temperature at which their eggs incubate. Global warming could doom them

These three disorders could really be “CKM syndrome,” which can be treated with drugs like Ozempic

Whether space, health, technology or environment, here are the issues in science that the editors of Scientific American are focusing on for 2026

A new generation of household robots could change the way you live

Disruptions in interoception may underlie anxiety, eating disorders, and other mental health ailments

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

Popular supplements with billions of “good” microbes really help only a few illnesses, research shows

Robots are poised to play a much bigger role in daily life at home, at work and in the world

Play this crossword inspired by the January 2026 issue of Scientific American

Science in meter and verse

Psychological data and brain scans show how sleep can improve our lives, our bodies and our relationships

Killer bees; Mars volcanoes

Celestial transients shine furiously and briefly. Astronomers are just beginning to understand them

The rings of Saturn are normally thought to be flat, but measurements by the Cassini spacecraft show that some of their particles fly hundreds of thousands of kilometres above and below the thin main discs

The rings of Saturn are normally thought to be flat, but measurements by the Cassini spacecraft show that some of their particles fly hundreds of thousands of kilometres above and below the thin main discs

Professional footballer players who became injured while on their period took longer to recover than when injuries occurred at other times of their menstrual cycle

Professional footballer players who became injured while on their period took longer to recover than when injuries occurred at other times of their menstrual cycle