The theory of evolution by natural selection was first formulated in Darwin’s book “On the Origin of Species” in 1859. It describes how organisms change over time as a result of changes in heritable ...

Abrupt shifts in the evolution of animals—short periods of time when an organism rapidly changes size or form—have long been a challenge for theorists including Darwin. Now a newly published research ...

Exploring the 'Theory of Evolution in the Space Age' I would like to explore the 'Theory of Evolution in the Space Age.' The ...

One hundred fifty years ago, a book appeared in England that changed the world. Charles Darwin's On the Origin of Species has been called the most important book ever written. Introducing the theory ...

One hundred years ago, a substitute teacher in Dayton, Tenn., was charged with the crime of teaching Charles Darwin's theory of evolution by natural selection. His name was John Scopes. At the time, ...

The period preceding the emergence of behaviorally modern humans was characterized by dramatic climatic and environmental variability - it is these pressures, occurring over hundreds of thousands of ...

Biology, history, and other textbooks treat Darwin’s theory of evolution as a settled fact. Is it? Theoretically, there was once a single-celled organism (never mind how it got there), and over ...