Editor’s Note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get the latest news in aviation, food and drink, where to stay and other travel developments. John Portmann, a professor ...

Ever wondered if you’ve got Irish heritage? Or know someone who celebrates every St. Paddy’s Day without proof? Now’s the ...

For folks starting to trace their genealogy or those with a complex family history, commercial DNA tests are a great way to delve into the past. Still, often these little boxes uncover serious ...

(CNN) — John Portmann, a professor of religious studies at the University of Virginia, was born as Thomas James Delehanty – a fact he didn’t know until a few years ago. He also didn’t know his ...

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