The Indus Valley Civilization was the largest of the ancient civilizations with a population of over 5 million people, over 1500 sites spanning an area of over 1 million square kilometers full of ...

Officials Are Offering $1 Million to Anyone Who Can Decode This Ancient Script The enigmatic Indus Valley civilization left behind a script that today’s historians haven’t yet deciphered ...

The script has remained undeciphered for more than a century. Carved stone seal from the Indus Valley civilization (ca. 2,500 B.C.E.). Photo by DEA/G. Nimatallah/De Agostini via Getty Images.