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 ...

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us humans, on interstellar scales it’s glacially slow. Even at a photon’s ...

After years of heartbreak, researchers have found an experimental treatment that can slow the progression of Huntington’s disease, according to early results from a small clinical trial ...

Is it really possible that half of all people who have ever been age 65 or older are still alive today? We explore the amazing mathematics of demography to find out ...

A controversial prediction about black holes and the expansion force of the universe could explain a cosmology mystery ...

A fresh analysis of old data has found rich organic chemistry within the hidden ocean of Saturn’s moon Enceladus ...

Iconic primatologist and conservation scientist Jane Goodall has died at the age of 91 from natural causes, according to a ...

President Trump and Robert F. Kennedy, Jr., have tied Tylenol use during pregnancy and folate deficiencies to rising autism rates—but the evidence is thin ...

“Microbes are the world’s oldest miners,” says Liz Dennett, founder and CEO of the start-up Endolith Mining, based near ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

Meanwhile researchers have shown in numerous studies that acetaminophen (also known as paracetamol) is safe and effective in ...

Participants in a new study were more likely to cheat when delegating to AI—especially if they could encourage machines to ...