Child sacrifice was thought to be rare in their culture. This chilling discovery suggests foreign invaders played a role.

At the peak of its glory, around a.d. 750, Tikal was home to at ... Though magnificent, the ruins of Tikal visible today represent but a fraction of the original city-state. During its heyday ...

In the Triassic era, North America was part of Pangea, a supercontinent whose massive scale sparked extreme monsoons that ...

Looking for blind cavefish in San Luis Potosí, biologist Luis Espinasa and his team accidentally found the remains of giant ...