Why did our ancestors ditch the shell and start growing babies inside their bodies instead? In this episode of Big Ideas, ...

Humans do not have tails, but do we have “what it takes” for a tail? Hens don’t have teeth, but they have the genes for it. With atavism, it is as if our genomes serve as archives of our evolutionary ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Fossil discoveries unlock chapters of our planet’s storied ...

Mesozoic Pompeii -- The evolution of an airframe -- The origin of birds -- Archaeopteryx : an ancient wing -- Protoavis : a precocious Triassic bird -- Basal avialans : the long-tailed birds -- ...