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

Ozzy Osbourne, lead singer of Black Sabbath, has died at age 76. He had been previously diagnosed with a form of Parkinson’s disease linked to the gene PRKN ...

A SkyWest pilot’s last-second decision could have prevented a collision that air-traffic controllers may not have foreseen ...

This remarkable animal of southeast Asia downs its insect prey with a powerful spout of water. A discussion of the anatomical and behavioral adaptations that account for its unique ability ...

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

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

A declaration of dissent from past and present NASA employees warns that science and safety are at risk and joins similar ...

A hormone-free pill, called YCT-529, that temporarily stops sperm production by blocking a vitamin A metabolite has just concluded its first safety trial in humans, getting a step closer to increasing ...

To celebrate Scientific American ’s 180th anniversary, we’re publishing a jigsaw every weekday to show off some of our most ...

Optimists have similar patterns of brain activation when they think about the future—but pessimists are all different from one another, a brain scan study suggests ...

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

Heat and humidity will once again smother the eastern half of the country this week, pushing the heat index to dangerous levels for tens of millions of people. In the Midwest, the humidity will be ...