Researchers used to think it was two or three thousand years old at most — a modern disease that appeared long after most humans gave up the nomadic hunting lifestyle and formed towns and cities, ...

A 5,500-year-old skeleton from the Americas has yielded the oldest genetic evidence yet of a bacterium closely related to the ...

Scientists have recovered a genome of Treponema pallidum—the bacterium whose subspecies today are responsible for four treponemal diseases, including syphilis—from 5,500-year-old human remains in ...

Ella Stewart-Peters does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...