Imagine learning the first European to reach North America did it not with a royal fleet, but as a family of exiled Norse outlaws running out of map. Christopher Columbus was half a millennium late to the party.

This deep dive separates the man from the mythology surrounding Leif Erikson, the Norse explorer who set foot on continental North America around 1000 CE. We weigh the conflicting medieval sagas against groundbreaking 1960s archaeology, and explore how his legacy was buried, forgotten, and finally resurrected for very modern political reasons.

• How a cosmic ray event in 993 CE let scientists date the Norse settlement at L'Anse aux Meadows to the exact year 1021
• The two contradicting sagas: one casts Leif as an accidental tourist blown off course, the other as a calculated explorer using a secondhand ship
• Wh ...