Nurtured by the alluvial planes of the Indus river, the Indus Valley hosted one of the world's oldest urban cultures. From 3300 to 1700 BC, the Indus people built impressive cities like Mohenjo-daro ...

Since farmers began digging up ancient bone fragments in the fields around the Yellow River in eastern China over 100 years ago, researchers have been poring over the mysterious script found on them.

The room we are in is locked. It is windowless and lit from above by a fluorescent bulb. In the hallway outside—two stories beneath the city of London—attendants in dark suits patrol silently, giving ...

In a classroom in Mongolia's capital, students pass over the Soviet-era Cyrillic alphabet they grew up with and turn their copybooks sideways to practice the traditional, vertical Mongolian script ...