Scientists have uncovered a surprising twist in how bacteria share genes—including those that spread antibiotic resistance. Tiny virus-like particles called gene transfer agents (GTAs), once ancient ...

Cyanobacteria—ancient microbes that oxygenated Earth and made complex life possible—are still revealing surprises billions of years later. Scientists have now discovered that a molecular system once ...

This Nature Outlook is editorially independent, produced with financial support from Yakult. About this content. We are not alone in our bodies. Each person is home to trillions of bacteria, viruses ...