Researchers found that very small numbers of gut bacteria can translocate to the brain in mice, particularly when gut barrier ...

You might also share various microscopic organisms residing on and in you. This community of microorganisms, which consists of mainly bacteria, viruses and fungi, is known collectively as the human ...

Streptococcus pneumoniae is a main cause of bacterial pneumonia worldwide. It can also cause ear and sinus infections and, in ...

Scientists have engineered a common probiotic bacterium to act like a microscopic drug factory that hunts down tumors and ...

A new study has found that running changes gut bacteria and lowers a key receptor in the brain’s memory center. That link ...

Antibiotic resistance is a major concern, particularly for immunocompromised patients, who are at greater risk of serious infections. Microbiota composition can help prevent pathogenic bacteria from ...

Biologists have uncovered a new mode of communication inside cells that helps bacterial pathogens learn how to evade drugs. Their findings, published in the journal Nature Communications, describe how ...

To see how microgravity changes certain microbes, researchers sent bacteria-infecting viruses called bacteriophages to the ...

Plastic trash has reached the world's most remote locations, from the bottom of the Mariana Trench to the summit of Everest.