Something invisible holds the universe intact. It outweighs everything you can see—every star, every gas cloud, every ...

By chance a tour boat avoided a deadly tsunami set off by the retreat of Alaska's coast glaciers. Scientists are working to ...

NASA announced that this uncrewed lander, named Endurance, completed vacuum testing on Earth—a key step toward a planned ...

These data come from the National Oceanic and Atmospheric Administration’s Mauna Loa Observatory, which may soon be shut down ...

Fetuses were more likely to yawn when their mothers yawned, suggesting humans may experience yawn contagion throughout our ...

A growing minority believes it’s a mistake to tie so many mathematical formulas to the famed 3.14... value. Another value, ...

Scientists gave people a “heroic” dose of psilocybin and then looked at their brain. Here’s what happened ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific ...

The Internet loves fitness-motivation content. Olympian and researcher Valerie Gruest explains why it can be so harmful ...