Some antibiotics stop bacteria from growing without actually killing them, allowing infections to return later. Scientists at ...

Scientists have long known that bacteria come in many shapes and sizes, but understanding what those differences mean has remained a major challenge, especially for species that can't be grown in the ...

Drugs that act against bacteria are mainly assessed based on how well they inhibit bacterial growth under laboratory ...

An international research team led by the Helmholtz Center for Infection Research (HZI) has discovered a new strategy used by the human pathogen Pseudomonas aeruginosa to adapt to its host. In the ...

Scientists have discovered the mechanism by which the bacterial pathogen Shigella flexneri, the causative agent of dysentery, manipulates molecular activity to assure its survival against its host's ...

You’ve probably heard of the microbiome — the hordes of bacteria and other tiny life forms that live in our guts. Well, it turns out those bacteria have viruses that exist in and around them — with ...

Beneficial bacteria occupy specific regions in the gut, contributing to our health via the microbiome. A new study has identified the genes that good bacteria use to colonize these regions, opening ...

Bacteria can mutate surprisingly fast to resist antibiotics. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Antibiotic resistance is one of the ...

The original version of this story appeared in Quanta Magazine. Prochlorococcus bacteria are so small that you’d have to line up around a thousand of them to match the thickness of a human thumbnail.