Bacteria and viruses are often lumped together as germs, and they share many characteristics. They’re invisible to the human eye. They’re everywhere. And both can make us sick. Bacteria and viruses ...

Ancient viral DNA in bacteria helps block new infections, offering a potential path to fight antibiotic resistance.

Scientists estimate that the earliest biological entities began to appear on Earth more than 4 billion years ago. "There was a sort of primordial soup from which certain organic molecules were formed.

Bacteria-killing viruses built from scratch in a University of Pittsburgh lab could be a breakthrough in the battle against ...

Scientists generally agree that eukaryotes, the domain of life whose cells contain nuclei and that includes almost all multicellular organisms, originated from a process involving the symbiotic union ...

Cancer research has long looked at bacteria and viruses as separate tools for therapy. Now, researchers are showing that the two can actually work better together. A team of scientists has built a new ...

Scientists estimate that trillions of bacteria and viruses -- commonly called germs -- are all around us, on nearly ...

Long before humans became interested in killing bacteria, viruses were on the job. Viruses that attack bacteria, termed "phages" (short for bacteriophage), were first identified by their ability to ...

Rather than a slow, gradual process as Darwin envisioned, biologists can now see how evolutionary changes unfold on much more accelerated timescales. Using an accelerated arms race between bacteria ...

Instead of bacteria and viruses burdening us with disease, what if we flipped the script and used their natural talents to give dangerous tumors an infection as a way of fighting cancer? Microbes come ...

Every year, around 600 million people are struck down by foodborne illnesses. The culprits are often common yet dangerous ...