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 ...

The largest yet study on a four-day workweek included 141 companies, 90 percent of which retained the arrangement at the end ...

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

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

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A controversial arsenic microbe study unveiled 15 years ago has been retracted.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

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

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 ...

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

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

In only its second year, the International Logic Olympiad is already booming as logic becomes more and more crucial in our ...