Diverse lines of evidence point to humans’ presence in the New World long before the dawn of Clovis culture. But rewriting this chapter of human history raises many questions about how these early people came to inhabit these continents.

The analysis adds new details to the picture of migration and mixing in a diverse country.

A massive study finds that regional differences in how slaves were treated throughout the Americas are reflected in the DNA of present-day Americans of African descent.

Genetic information from dozens of individuals living 700 to 10,000 years ago reveals connections between Clovis and Native Americans and South Americans.

A painting of the woman who was the source of HeLa cells will be on view at the National Portrait Gallery beginning May 15.

The incubator exhibitions of the late 19th and early 20th centuries publicized the care of premature babies.

Newly discovered remains provide the first hard evidence that the ill-fated colonists of the 17th century resorted to eating human flesh when their food supply ran out.