The theory of evolution by natural selection was first formulated in Darwin’s book “On the Origin of Species” in 1859. It ...

It's some of the best evidence yet for Darwin's theory of evolution. A section of a 2.3 billion-year-old fossil-bearing rock. The fossils (the dark areas) are essentially identical to ones that are ...

One hundred years ago, the small town of Dayton, Tenn., became the unlikely stage for one of the most sensational trials in American history. A local substitute teacher, John Scopes, was charged with ...