Add Yahoo as a preferred source to see more of our stories on Google. This 2009 photo provided by Christian Koch Madsen shows the ruins of the Hvalsey Church, part of an abandoned Viking colony, in ...

The BBC's Blue Planet returns to our screens for a second season on October 29. The new season took five years to complete, with a fresh cast of marine life from every corner of the globe. In August ...

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, ...

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 ...

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 ...

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 ...