To see how microgravity changes certain microbes, researchers sent bacteria-infecting viruses called bacteriophages to the ...

Add Yahoo as a preferred source to see more of our stories on Google. Bacteria and viruses are often lumped together as germs, and they share many characteristics. They’re invisible to the human eye.

The gut bacterium Bacteroides fragilis has long presented researchers with a paradox. It has been associated with colorectal cancer, yet it also lives quite happily in most healthy people. A study by ...

Amoebae receive surprising support in defense against viruses: The bacteria they are infected with prevent them from being destroyed by giant viruses. A research team led by microbiologist Matthias ...

Researchers have discovered the first giant virus in Finland. The specimen demonstrates that such huge viruses are more common in northern regions than previously thought. Viruses are tiny. Even ...