Daphne O. Martschenko and Sam Trejo both want to make the world a better, fairer, more equitable place. But they disagree on ...

A mysterious DNA marker is rewriting everything we thought we knew about how humans first reached the Americas. Haplogroup X, a rare maternal lineage found in both Europe and among Native American ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A few years ago, a patient of mine—let's call her Pandora—purchased four DNA testing kits as holiday gifts for herself and her siblings. She had seen the TV ads promising that a few ounces of spit ...

With the rise of DNA ancestry tests, it’s easier than ever to learn about your family history and connections. Today, there are many DNA testing services to choose from. They're easy to use. You’ll ...