Viruses have no metabolism of their own and must therefore infect host cells in order to replicate. Contact between the virus and the cell surface is a crucial first step, which can also prevent ...

By the late 1990s, scientists realized that virus activity was likely shaping how carbon and nutrients cycled through ocean ...

Watch a white blood cell actively searching for bacteria or viruses under the microscope.

Researchers who work with bacteriophages -- viruses that eat bacteria -- had a pleasant and potentially very important surprise after treating samples to view under an electron microscope: they had ...