Here’s how it works. 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 ...

Americans with European heritage have long been able to pinpoint their ancestry through DNA testing, but it's only in recent years that those with African heritage have been able to trace their ...

According to the lawmakers, up to 30 percent of minors DNA tested were found to be unrelated to the adults they were ...