To celebrate Scientific American ’s 180th anniversary, we’re publishing jigsaw puzzles to show off some of our most fascinating magazine covers over the years. Take a tour here through the covers so ...

This is the shape of the classic soccer ball, originally called the Telstar ball and used in the official FIFA World Cup ...

For people under the sweltering influence of a heat dome, the weather pattern can be excruciatingly tedious to endure, ...

Heat and humidity will once again smother the eastern half of the country this week, pushing the heat index to dangerous ...

Physicists superheated gold to 14 times its melting point, disproving a long-standing prediction about the temperature limits ...

A hormone-free pill, called YCT-529, that temporarily stops sperm production by blocking a vitamin A metabolite has just ...

Optimists have similar patterns of brain activation when they think about the future—but pessimists are all different from ...

A controversial arsenic microbe study unveiled 15 years ago has been retracted. The study’s authors are crying foul ...

As large language models like Claude 4 express uncertainty about whether they are conscious, researchers race to decode their ...

This AI system can analyze up to one million DNA letters at once, predicting how tiny changes in noncoding regions trigger ...

Ozzy Osbourne, lead singer of Black Sabbath, has died at age 76. He said he had been previously diagnosed with a form of ...

The brains of healthy people aged faster during the COVID-19 pandemic than did the brains of people analysed before the ...