The human body has always been crowded with microscopic passengers, from bacteria to viruses and fungi. Over the past two ...

Bacteria in the human gut can directly deliver proteins into human cells, actively shaping immune responses. A consortium led ...

Hidden inside the human body, scientists have uncovered thousands of bizarre RNA loops unlike anything in biology. These ...

Watch how mouthwash affects bacteria under the microscope.

Researchers have discovered how bacteria break through spaces barely larger than themselves, by wrapping their flagella ...

Scientists are warning that a little-known group of microbes called free-living amoebae may pose a growing global health threat. Found in soil and water, some species can survive extreme heat, ...

New cell-scale robots can sense their environment, compute decisions, and move independently without magnetic or ultrasonic ...

Stop washing raw chicken. It spreads bacteria up to 3 feet. Learn the safer way to prep your poultry for cooking.

Springtails, an ancient arthropod, are commonly found in snow at this time of year. Here's what gave them the nickname, "snow ...

Far from Earth's gravitational pull, a simple viral infection took on a new evolutionary direction. A study conducted aboard the ISS found that when bacteria and ...

A contaminated bowl can make pets sick with vomiting, diarrhea or infections. And those germs don’t always stay in the ...

A six-year analysis of marine microbes in coastal California waters has overturned long-held assumptions about how the ...