The field of evolution examines how organisms adapt to their environments over generations, but what about the evolution of evolution itself? Researchers have long questioned why biological ...

Known as the Cambrian Explosion, this flurry of rapid evolution produced most of the animal phyla and ecosystems we see around us today. And it may have taken off because some of those early animals ...

For a long time, evolutionary biologists have thought that the genetic mutations that drive the evolution of genes and proteins are largely neutral: they're neither good nor bad, but just ordinary ...

Even Charles Darwin was puzzled by the evolution of the vertebrate eye. New research suggests that it traces back to a cyclopean invertebrate with a single eye atop the head. By Carl Zimmer Look at ...