Vikings were trading with Eskimos hundreds of years before Christopher Columbus "discovered" North America, suggests a new study. Analysis of ancient walrus DNA has helped to retrace the medieval ...

While it has been commonly said that Columbus discovered the Americas, that is not accurate. Even before he set sail ... spot on which he landed in North America. The exact location of Vinland ...

Either way, the fact it's a debate at all is unusual, considering Columbus himself never even made it to North America — let alone the portion of the continent that would one day become the US.