Andrea Tamayo is the current newsletter and engagement intern at Scientific American and a freelance science writer. Follow ...

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

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

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 ...

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

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

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

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

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

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

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

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.