More than 100 years after the construction of the engineering marvel that linked the Atlantic and Pacific oceans — and 25 ...

A new analysis suggests saber teeth were highly specialized for puncturing prey, ultimately at the cost of durability.

Learn how a variety of tooth shapes drove evolution across multiple kinds of mammals.

Born from “gunboat diplomacy,” the Panama Canal is under threat from US saber rattling once again. More than 100 years after the construction of the engineering marvel that linked the Atlantic ...