There are family trees, and there are trees from hell that are filled with snakes. Sometimes, though, they're not all that different.
Two studies make similar strides in identifying how mankind came to populate the Earth, but their differing approaches to gathering and using samples open up ethical questions.
German researchers find evolutionary logic behind the way we lay out our bedrooms.
For the first time, a tool allows researchers to identify the ancestry of the remains of children, which may help solve some forensic cold cases.
The University of Arizona's Michael Hammer is using advanced DNA techniques to figure out where we came from. Which, apparently, is not just one place, or even one species.