An ancient DNA analysis of a 5,500-year-old human skeleton reveals that an ancestor of the bacterium that causes syphilis was ...

Scientists have recovered a genome of Treponema pallidum—the bacterium whose subspecies today are responsible for four ...

An international research team has unveiled a significant discovery in human paleontology: an exceptionally well-preserved ...

A team of scientists has pieced together how the hominid Australopithecus sediba (Au. sediba) walked, chewed, and moved nearly two million years ago. Their research, which appears in six papers in the ...