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

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 ...

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

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 ...

The Langlands program has inspired and befuddled mathematicians for more than 50 years. A major advance has now opened up new ...

Acknowledging the limits of one’s own knowledge could be as important a signal of expertise as credentials and confidence ...

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

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 ...

So physicists have been on the hunt for any sign of difference between matter and antimatter, known in the field as a ...

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 ...