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

A well-preserved human skeleton that scientists recently excavated in Vietnam dates back about 12,000 years ago to the Ice Age and contains the oldest human mitochondrial DNA found in the region. It ...

Paleoanthropologists have announced the world's most complete skeleton of Homo habilis, a human ancestor that lived more than 2 million years ago in northern Kenya. The collection of fossil bones has ...