Biologists are quietly rewriting what it means to be alive, and the human body has become one of their strangest frontiers.

A newly identified class of RNA molecules has been discovered in bacteria living inside the human body. These circular ...

Scientists organize millions of proteins by shape, as predicted by AI, revealing 700,000 new families and some shapes unique ...

In a breakthrough for the advanced study of gut health, scientists have developed a 3D microscopic version of the human intestines condensed into a small chip about half the size of a five-cent coin.

Earth’s crust teems with subterranean life that we are only now beginning to understand. Credit...Illustration by Brian Rea. Animation By Delcan & Co. Supported by By Ferris Jabr Ferris Jabr is a ...

With so many coral reefs bleaching and pangolins being poached, it may seem tone-deaf to call for the conservation of species that are too small to see with the naked eye. But that’s exactly what the ...

New studies show that a bacterial molecule, peptidoglycan, is present in the brain and fluctuates with sleep patterns. This challenges the idea that sleep is solely brain-driven, instead suggesting it ...

From babyhood to adulthood, the bacteria and fungi on your skin help train your immune system—but when that balance tips, chronic inflammation can follow. This new review reveals how and why. Study: ...