The sequences below from the NOVA film "The Vikings" offer a fascinating and unprecedented look at Birka, a medieval Viking village that archeologists recently excavated near modern-day Stockholm.

Vikings had indeed reached the coast of America five centuries before Columbus. Now those medieval sagas look ready for another endorsement, this time from space: National Geographic fellow Sarah ...

During their prime, the Vikings mastered the seas and went on to make wide-spanning voyages by boat. But how exactly did they know where they were going? A recent study, focused on a set of medieval ...