Scientists Finally Solve the Mystery of a Lost Advanced Ancient Civilization

For more than a century, the Indus Valley Civilization has carried one of archaeology’s most frustrating questions. How could one of the world’s earliest great urban societies, with planned cities, water systems, trade networks, and skilled crafts, fade so dramatically?

A new study does not suggest a sudden apocalypse or a single cause. Instead, it points to something slower and more powerful: repeated river droughts that lasted for decades or even centuries, forcing Harappan society to disperse, adapt, and reorganize rather than simply vanish overnight.