Anthropologists have pieced together the most complete Stone Age family tree so far, spanning seven generations of relatives. Genetic studies of the remains of dozens of people in one burial site in ...

Learn how your family ancestry is connected to the human origin journey with National Geographic’s Geno DNA Ancestry Test. The information tucked away in the branching lines of family trees can help ...

Before 1850, marrying within the family was common. While today, hooking up with anyone closer than a seventh cousin is seen as too much incest, getting it on with your fourth cousin used to be ...

The traditional family tree has grown much more complicated in recent years. With increases in unmarried and same-sex couples, surrogates, and sperm donors, many families now organize two family trees ...