Ajdina Halilovic is a science writer and researcher based in London. She holds a degree in neuroscience from the University of Cambridge. She writes, most often and most dearly, about intelligence. Fo ...

Why is there something rather than nothing? Philosopher Martin Heidegger called this “the first of all questions,” and it has vexed scholars and theologians alike throughout history. Science has yet ...

A new study of the Helix Nebula shows a never-before-seen detail of how dying stars recycle elements. Researchers found it by ...

People taking popular new weight-loss drugs such as Wegovy and Zepbound often celebrate the number of pounds they shed and the related health benefits, but many doctors at weight-loss clinics are ...

A tropical storm is barreling toward Hawaii. The cyclone—which could reach near-hurricane strength—is expected to make landfall on the islands this weekend, bringing heavy rains, strong wind, and the ...

The 2026 total solar eclipse has come and gone, but that doesn’t mean the wonder has to end. Scientific American contributor and eclipse chaser Lucie McCormick watched the eclipse unfold from central ...

Researchers are finally learning the mechanism behind one of the most prescribed medicines in the U.S., primarily used to treat or prevent type 2 diabetes ...

In the timelapse, on the left limb of the sun—that's the outer edge—we can see what is known as a solar prominence. This bright red structure is evidence of that plasma, extending out from the sun's ...

Any parent of school-age children will tell you: squishies are it. The viral squeezable toys come in all shapes and sizes—some of the most popular look like food items such as dumplings, bananas, ...

There’s a $1-million prize for proving the Riemann hypothesis. Claude couldn’t pull that off, but it made significant progress on a related problem ...

From a partial eclipse over Berlin to totality over Spain, see some of the incredible images of the August 12 total solar eclipse ...

The 2026 total solar eclipse is finally upon us, marking the first total solar eclipse visible from parts of mainland Europe in almost three decades. Today, for a few brief moments, some one billion ...