Scientists have discovered bacteria frozen in an ancient underground ice cave that is resistant to 10 modern antibiotics. Ice caves host a variety of microorganisms, which if melted, could add to the ...

Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.

A study on wild northern cardinals shows that stress can change gut microbes and affect bird health in measurable ways.

A high-fat diet can cause the intestinal lining to weaken, allowing live gut bacteria to travel directly to the brain in mice ...

Researchers have discovered specific gut bacteria associated with obesity, while some appear to be protective against it. The specific types of bacteria associated with obesity differed between men ...