An estimated 280 million metric tons of plastic waste will enter the air, water, soil, and human bodies every year by 2040, ...

The new guidance would do away with a decades-old universal birth dose recommendation for hepatitis B that helped cut ...

Hole in the Sky, by Daniel H. Wilson, is one of Scientific American’s best fiction picks of 2025. In the novel, aliens talk ...

RFK Jr’s vaccine advisory panel will be discussing the inclusion of adjuvants in childhood vaccinations today. Here’s what’s ...

Scientific American sits down with nature writer Robert Macfarlane to discuss his latest book—one of our top picks of ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

Flex your math muscles with this weekend’s brain teaser. Play now.

A scientist has identified a possible astronomical explanation for the Star of Bethlehem, as described in the Bible ...

In a recent Science study, researchers used 15 kilometers of telecom fiber near Mendocino, Calif., to record the region’s ...

It was thought that complex cells couldn’t survive above a certain temperature, but a tiny amoeba has proven that assumption ...

A partially successful test of China’s Zhuque-3 rocket shows that other countries are rapidly catching up with the U.S in the ...

Researchers have discovered that cooling starchy foods—from pizza to rice—creates “resistant starch,” a carb that behaves ...