Sediments drawn from the Blue Hole and other sites in Belize suggest that the Mayan civilization may have collapsed twice due to drought.
Mind-altering substances were all the rage 1,500 years ago, at least among certain elite members of a South American society.
Dismembered, decapitated bodies provide new archaeological evidence for the violent scenes depicted in Mayan art.
Are pit bulls as dangerous as Maryland thinks they are? How long should women breast-feed? Did the Mayans actually predict doomsday? Find out the answers in This Week in Discovery News.
Check out The Hunt for Lost Cities: Photos