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 ...

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

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

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

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

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 ...

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

Chatbots can measurably sway voters’ choices, new research shows. The findings raise urgent questions about AI’s role in ...