The viruses devise ploys to break into bacterial defenses. Bacteria, on the other hand, strengthen their defenses so that ...

That was the first finding of the study. The second was that the bacteria had acquired mutations while being in microgravity, ...

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.

Dirty dishes soaking in the sink feel like a shortcut: you loosen the grime now and deal with the scrubbing later. In reality ...

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 ...

Unlike germs, however, it can be seen under a blacklight, enabling Rober to track how it spreads through his day-long experiment in a classroom. The teacher was doused with the invisible powder prior ...