There are two main types of bacteria, and these categories reflect the microbes' biology and their vulnerability to different antibiotics. When you purchase through links on our site, we may earn an ...

From our nose to our lungs to our guts, the human body is home to a diverse range of microorganisms. Such rich microbial ecosystems are prime hunting grounds for viruses that infect and kill bacteria.

A vivid new image is taking shape in the world of cell biology: Imagine bacteria adhering to the surface of a cell, perhaps at the site of an injury or wound. In response, a white blood cell arrives ...

Immune cells that eat bacteria in the body don't stash them in specialized compartments as once thought, but turn them into critical nutrients that build proteins, create energy and keep the cells ...