Long cast as villains, some protists, such as Blastocystis, are potentially beneficial to human health.

Despite being genetically identical, bacteria can vary considerably in shape and size. Whether these variations affect ...

Discover why illness causes bad breath through bacterial growth, dehydration, medications and body chemistry changes. Learn ...

Colistin resistance genes in imported seafood spark global concern over rising antibiotic-resistant infections, urging ...

Drone footage has captured killer whales breaking off stalks of kelp and rubbing the pieces on other orcas, a rare case of ...

Colistin, a last-resort antibiotic, is losing its power due to rising resistance—and the culprits might be hiding in your ...

Imagine a bacterial cell—one of the multi-drug-resistant varieties that keep infectious disease experts up at night—blown ...

Dormant TB affects billions but only some develop active disease. Learn how your genes control if tuberculosis bacteria stay dormant or become deadly.

Even after 20 million years of evolutionary separation, two tiny worm species show astonishingly similar patterns in how they turn genes on and off. Scientists mapped every cell s activity during ...

A new study suggests that certain gut bacteria may influence the risk of obsessive-compulsive disorder. Using Mendelian ...

Toll-like receptors, or TLRs, are the immune system’s early warning sensors. They detect microbial invaders and damage ...

Rats in Boston are spreading a potentially deadly disease that is largely associated with tropical areas, according to a ...