This 2009 photo provided by Christian Koch Madsen shows the ruins of the Hvalsey Church, part of an abandoned Viking colony, in southern Greenland. For almost five hundred years, the Norse descendants ...

You have reached your maximum number of saved items. Remove items from your saved list to add more. Washington: Clues to the mystery of why Viking colonies in Greenland thrived and disappeared have ...

With much of it covered in ice all year round and with no daylight from October to March, the Arctic Ocean is one of the world's most remarkable oceans. It's home to a multitude of unique life forms, ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. This 2009 photo ...

WASHINGTON (AP) — Clues to the mystery of why Viking colonies in Greenland flourished and fell have been found in the DNA of medieval walrus bones housed in more than a dozen European museums. For ...