New information has helped us understand where domestic horses came from. And by counting some tree rings, researchers were able to find evidence of Norse presence in the Americas in 1021 CE.

New information has helped us understand where domestic horses came from. And by counting some tree rings, researchers were able to find evidence of Norse presence in the Americas in 1021 CE.

Learn about Leif Erikson, the Viking explorer who led a daring expedition across the Northern Atlantic, possibly making him the first European to reach North America. Discover how Viking ships, like the Knarr, enabled their exploration...