Add Yahoo as a preferred source to see more of our stories on Google. Teotihuacan was once one of the most populated cities in the ancient world. At the height of its power, the ancient Mesoamerican ...

Long before factories, mines, and cars filled the air with pollution, our distant ancestors were already living with a silent toxin: lead. A groundbreaking study reveals that hominids — from early ...

Baybayin is the written language of the Philippines. Originally called Alibata by historians, the language decreased in use after the introduction of the Latin alphabet by the Spanish in the 1600s.