Dampening the immune response to stay up in the air may have helped bats become tolerant to viral infections.

Some of our resident viruses may be beneficial.

Diverse viruses can be found commingling with human and bacteria cells in and on people’s bodies. Scientists are just beginning to understand how these viruses help and when they can turn pathogenic.

An international research team triples the number of known virus types found in marine environments. 

Scientists devise an antibody-based test that can generate a person’s complete “viral history” with just one drop of blood.

With the help of a virus that infects its prey’s nervous system, a parasitoid wasp coerces a lady beetle to protect its young.

How viruses wield tiny molecules of RNA to help them persist in our bodies for years, decades, and sometimes an entire life span

In the evolutionary arms race between pathogens and hosts, genetic elements known as transposons are regularly recruited as assault weapons for cellular defense.

A murine norovirus appears to recover some of the functions of commensal bacteria in the guts of germ-free or antibiotic-treated mice.