DNA tests can tell people where in the world their ancestors came from, and if they're at risk of developing different genetic conditions. They can sometimes even help people connect with family ...

Home DNA tests are an accessible way to gain an extensive understanding of your heritage, family history and diaspora. Tests are becoming increasingly affordable and genetic databases are expanding ...

In a way, sequencing DNA is very simple: There's a molecule, you look at it, and you write down what you find. You'd think it would be easy—and, for any one letter in the sequence, it is. The problem ...

Our DNA is made of millions of combinations of the genomes that create the human body. Even the smallest changes in these sequences, or in how they act, can change the functioning of the whole body ...

When we first wrote this article, it compared 23andMe and Ancestry. Since then, 23andMe has experienced a data breach, a subsequent lawsuit, board members' resignations and layoffs amidst financial ...