The map itself is undated, but there are clues it was created in 1491: It quotes a book published that year, and Christopher Columbus may have consulted the map (or a copy) before his great voyage.

This advertisement has not loaded yet, but your article continues below. For the first time in eight years, the Ottawa Senators are in the playoffs — and what better way to return than in a ...

Discovering any collection of Paleolithic art is rare, says Aitor Ruiz-Redondo, an archaeologist and senior lecturer at the University of Zaragoza in Spain: Only about 400 such sites have been ...