Add Yahoo as a preferred source to see more of our stories on Google. Scientists remain baffled over a mysterious 12-sided bronze object dating back to the Roman Empire -- theorizing it could be ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers in ...

Archaeologists have long debated the origin of human symbolic behavior. The dominant idea was that only modern humans (Homo sapiens) were capable of complex symbolic thought and behavior; such as ...

Few firearms have crossed the boundary between mechanical tool and cultural symbol as completely as the Colt M1911. Designed for military service, the pistol eventually came to represent something ...