Bacteria and the viruses that infect them are perpetually at war. Their deadly clashes push both kinds of microbes to evolve ...

Scientists are sending several strains of disease-causing bacteria to the International Space Station as part of the Crew-11 mission. This experiment isn't the plot to some cheesy horror film, but a ...

The spread of the H1N1 flu, the "swine flu," is thought to spread from person to person through coughing or sneezing. Health officials encourage you to wash your hands often with soap and warm water.

Researchers have identified two gut bacteria that can produce serotonin, a key chemical that regulates bowel movements. In experiments with mice lacking serotonin, the microbes boosted serotonin ...

Scientists at Arizona State University have uncovered surprising new ways bacteria move, even without their usual whip-like propellers called flagella. In one study, E. coli and salmonella were found ...

Have you ever wondered why most disinfectants indicate they kill 99.9% or 99.99% of germs, but never promise to wipe out all of them? Perhaps the thought has crossed your mind mid-way through cleaning ...

Hardy bacteria in a lab survived pressures comparable to an asteroid strike on the red planet, suggesting a hypothetical scenario in which our planet was seeded with life.

Live bacteria from the digestive system can travel directly into the brain when the intestinal barrier is weakened. This ...