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 ...

Researchers have nailed down an elusive quantity called baryon number, which may be responsible for the cosmic mismatch between matter and antimatter ...

This storm, a rarity for this part of the Pacific, is expected to bring heavy rains, strong wind and possibly “life-threatening flooding” to Hawaii this weekend ...

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, ...

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 ...

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 ...

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 ...

It’s that time of year: a thick, oppressive heat blankets everything, people huddle inside air-conditioned homes, offices, shops and cafes for respite—and COVID is surging again. Levels of SARS-CoV-2, ...

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 ...

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

One of the central mysteries of the brain is how it achieves so much with so little. At any given moment, it processes an entire world of input, pilots a body and generates conscious experience—all ...

The human brain, with its billions of interconnected neurons giving rise to consciousness, is generally considered the most powerful and flexible computer in the known universe. Yet for decades ...