Some are totally independent, while others prefer company. Salmonella and many other kinds of bacteria are of the social type: They can live and even thrive inside a host cell. But unlike us, these ...

Human papillomaviruses, or HPVs, can cause dangerous infections in the skin and mucous membranes and may lead to cancer.

Scientists have identified dozens of human proteins that SARS-CoV-2, the virus that causes COVID-19, depends on to replicate ...

In the vast and often unseen world of microscopic life, a recent discovery may force scientists to rethink what it means to ...

At present, there are no approved antiviral drugs for Nipah and supportive care is the only option for human infections.

New imaging tools reveal how within an hour of infection, the virus begins to alter our chromosomes to kick-start its own replication.

This newly found organism doesn’t act like a virus or a cell, and that could change everything we know about biology.

Because they rely on hosts for a majority of functions, viruses aren’t considered alive. But entities like this one ...