The Tufts University biologist and physician sounded the alarm on the effects of antibiotic use in animals.

Scientists cultivate sulfate-reducing microbes from some of the oldest-known water on Earth.

The 12-year-long endeavor reveals Prometheoarchaeum as a tentacled cell, living in a symbiotic relationship with methane-producing microbes.

Microbes that dwell in nutrient-poor waters use a photopigment called retinal to harvest energy from sunshine at levels at least equal to those stored by chlorophyll-based systems.

Swirls of bacteria form on an agar plate.

The gut microbiome has been linked to depression, schizophrenia, and other neurological conditions, but it’s not yet clear whether the relationship is causal.

The agency issued a safety warning after two patients contracted antibiotic-resistant infections and one of the patients died.

Scientists identify the coordinated sequence of pili movements that Pseudomonas aeruginosa use to move.

A new portable instrument could help to lure useful bugs in from the wild.