YORK, Maine — Baffled and mystified, Marci Radin stared at the unfamiliar surname that appeared on the list of genetic matches that Ancestry.com had sent her. Barclay. It was everywhere, this name ...

If you're thinking of taking an ancestry DNA test as "a bit of fun", experts warn there is the risk of uncovering more than you bargained for.

Whether you want to authenticate well-loved family stories or are unaware of your family history and need a place to start, personal DNA testing has never been easier. At-home DNA tests are a popular ...