A new paper suggests that we may finally know where dinosaurs came from. Now, researchers just have to prove it.

Africa's hidden city was built in the 11th century when it served as a royal palace and a thriving trading hub.

In his new six-hour series, Africa's Great Civilizations, Henry Louis Gates, Jr. takes a new look at the history of Africa, from the birth of humankind to the dawn of the 20th century. This is a ...