Microbiology

A new study finds that people with migraines harbor more bacteria in their mouths that have the ability to modify chemicals called nitrates.

The city of Flint, Michigan, is seeing a rise in cases of a bacterial illness called Shigellosis, and the ongoing water crisis there may be in part to blame.

Antibiotic bacteria aren't just found in hospitals or clinics. They – and the genes that confer resistance – are found in the environment, too.

The FDA has banned companies from marketing hand soaps containing 19 antimicrobial ingredients, including triclosan, saying there are questions about the safety of these antibacterial chemicals.

Melting permafrost has released zombie anthrax from a 75-year-old reindeer carcass in Siberia.

Iran's briny Lake Urmia recently appeared in satellite images with blood-red waters resembling the aftermath of a particularly gruesome crime scene.

Raw produce causes more illnesses than raw flour, but the FDA would still rather you put down the spoonful of cookie dough.

Women's fallopian tubes and ovaries were once thought to be free of bacteria, but a small new study finds that these microorganisms do live naturally in this part of the reproductive tract.

What's keeping Listeria alive in your freezer?