Ironically, one great unsolved problem in Darwin's master work, On the Origin of Species, was just that: How and why do species originate? Darwin and his later followers were faced with a seeming ...

The evolution of sex, gender, mating strategies, and social relationships are hot topics in the study of nonhuman and human ...

Evolution isn't a linear progression from bacteria to humans, Prosanta Chakrabarty, a professor of evolutionary biology, said in a new TED Talk. Rather, it's an "unfinished book" and most species ...