These articles explore evolution - the changes seen in the inherited traits of a population from one generation to the next. Evolution is one of the great mysteries of biology, since it is a slow process and difficult to study.
Evolution is fascinating because it attempts to answer one of the most basic human questions: Where did life, and human beings, come from? The theory of evolution proposes that life and humans arose through a natural process.
We can see dinosaur and plant fossils at just about any natural museum. What exactly are fossils, though, and how do they form? Find out the answers to these questions in this article from HowStuffWorks.