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, ...

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...

A controversial arsenic microbe study unveiled 15 years ago has been retracted.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 ...

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

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

My lawsuit in Hawaii lays out the safety issues in OpenAI’s products and how they could irreparably harm both Hawaii and the ...

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

S4, a $900-million cosmology experiment, would answer one of the greatest questions in physics. Instead it’s become another ...

Bird flu fears have focused on the poultry and dairy industries and human health. But wild animals are threatened, too—at ...