For example, their research found ... On Thursday, Erlich’s insights from that data set appeared in the journal Science, in the form of an enormous family tree of 13 million people, ...

In 2021, after 19 years of probing, she struck Black family tree gold: an ancestral connection to the legendary abolitionist Harriet Tubman. Jackson learned that her great-great-grandmother was ...

What This Unprecedented 13-Million-Person Family Tree Reveals. For starters, the new tree calls into question a prevailing theory for why people stopped marrying close relatives.