To celebrate Scientific American ’s 180th anniversary, we’re publishing a jigsaw every weekday to show off some of our most ...

In principle, this impossible math allows for a glue-free bridge of stacked blocks that can stretch across the Grand ...

Climate change left its signature on the atmosphere early in the industrial revolution, reveals a thought experiment ...

Evidence shows that Medicaid improves people’s health and is particularly vital for babies, older people in need of long-term ...

Four research firms project that the Republicans’ One Big Beautiful Bill Act will raise greenhouse gas emissions and likely ...

The June heat dome contributed to the deaths of at least three people. They have died as federal regulators have weighed ...

When tested on their own and in mice, these bacterial strains from the human microbiome show promise in accumulating PFAS ...

The team suspects that neurogenesis happens in other parts of the adult brain, too. In mice, new neurons are regularly made ...

Canceled grants and slashed budgets are disproportionately affecting junior health researchers, dealing a major blow to the ...

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system ...

Breakthroughs from two rival experiments, Germany’s Wendelstein 7-X and the Joint European Torus, suggest the elusive dream ...