Nuclear fusion promises a green and infinitely renewable supply of energy—if we can harness it. Fusion happens all the time ...

A new generation of Alzheimer’s blood tests could speed up diagnosis and access to care—but they also raise thorny questions ...

Aimee Lucido makes crosswords part-time for several outlets and writes trivia full-time for Bloomberg's news quiz, Pointed.

Black Americans face a significantly higher risk of Alzheimer’s and other dementias than white Americans. Researchers are ...

Aposter-size version of the front page of the very first issue of this magazine hangs in the lobby of Springer Nature’s New ...

While our understanding of Alzheimer’s disease is far from complete, the latest therapies, and others in more than 100 ...

When the quark hypothesis was first proposed more than 10 years ago, there were supposed to be three kinds of quark. The ...

I swim up, rapt, to visibility. I whisper my secret only to you, the clue, first word of the organic story. The ancient ...

New Alzheimer’s drugs known as anti-amyloid therapies may slow disease progression—but they also carry serious risks, ...

Letters to the editors for the May 2025 issue of Scientific American ...

The idea was that high-powered lasers would propel tiny probes to 20 percent of the speed of light, impelling them with ...

Forest ecologist Mark Harmon has been exhaustively examining dead logs for 40 years, and he’s found a complex world few ...