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 ...

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

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

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

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 ...

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

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

After years of heartbreak, researchers have found an experimental treatment that can slow the progression of Huntington’s ...

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

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

President Trump’s budget office lays out guidelines for mass federal lay-offs as the U.S. government grinds to a halt ...