How to make a frog skeleton for school project is a common question for students who want to present animal anatomy in a ...

A partial skeleton dating back more than two million years is the most complete yet of Homo habilis, one of the earliest known species in our genus ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. MEXICO CITY (AP) — A prehistoric human ...