The fascinating world of bacteria that live as symbionts or parasites in animal hosts often remains a mystery to researchers. A research team has made a breakthrough that provides insights into this ...

Watch the effects of caustic soda on bacteria under the microscope.

Watch the powerful effect of bleach on bacteria under the microscope.

In 19th-century France, the young chemist challenged the theory of spontaneous generation and discovered an invisible world of airborne microbes. Credit...Antoine Maillard Supported by By Carl Zimmer ...

This illustration represents a bacteria being illuminated with mid-infrared in the top left, while visible light from a microscope underneath is used to help capture the image. A team at the ...

An electron microscope image of norovirus particles. Image: Centers for Disease Control and Prevention (AP) Norovirus is the most common stomach bug around, causing about half of all known foodborne ...