A cold sore might seem like a minor nuisance. But behind that tingling lip is one of the world’s most widespread and cunning ...

A new COVID variant called "Nimbus" is spreading. Here's what you need to know about the incubation period, symptoms ...

Intrepid microbe hunters have discovered 20 new viruses lurking in the bat populations of the orchards of southwestern China. Along with new species of bacteria and protozoan parasites, the find has ...