When people talk about the coronavirus, they sometimes describe this invisible entity as if it has a personality and even a conscience. If you ask a biology or medical student what a virus is, they ...

Bacteria and viruses are the most common causes of disease, but they have some key differences. Here's what you need to know.

There is an ongoing debate as to whether or not viruses are considered to be a life form. The question remains unanswered as the identity of viruses as a living form is dependent on arbitrary measures ...

Viruses acquire genes from eukaryotes — organisms whose cells store their DNA in a nucleus — and use them for their own function. Conversely, eukaryotes acquire genes from viruses to bring new ...

Over a single day, in the placid waters of a single pond, a million virus particles might enter a single-celled organism known for the minuscule hairs, or cilia, that propel it through those waters.