The brains of healthy people aged faster during the COVID-19 pandemic than did the brains of people analysed before the pandemic began, a study of almost 1,000 people suggests. The accelerated ageing ...

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 ...

Lieke van Son is a research fellow at the Center for Computational Astrophysics of the Flatiron Institute and at Princeton University. She is set to join Radboud University in the Netherlands as an ...

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

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

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 ...

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

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

Household energy expenses will rise, as will greenhouse gas emissions, as a result of the Trump administration's One Big ...

Why do computers only work with the numbers 0 and 1? There are machines that process three digits with more efficiency than ...

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