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

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

China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of ...

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

As scientific research opportunities are increasingly at risk, the U.S. is creating refugees of science. Instead of sticking ...

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

Earlier this year, we spotted a forthcoming study which reported that levels of taurine did not consistently decline with age. But we knew Science had published research on this topic in 2023 that ...

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

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

Letter to the EditorCORRESPONDENCE 20 May 2025 AI bots threaten online scientific infrastructure ...

Laestadius and her colleagues looked at nearly 600 posts on the online forum Reddit between 2017 and 2021, in which users of the Replika app discussed mental health and related issues.

The Institution That Powers the U.S. Scientific Enterprise For 75 years, the National Science Foundation has been the quiet backbone of American scientific progress.