(CNN) — When a fossil preserves an animal’s complete body in a death pose, seeing it is observing a snapshot in time. Several such fossils exist for Archaeopteryx — the earliest known bird — and now, ...

The study found that bird species who nest in tree cavities have independently evolved heightened aggression across lineages, particularly in females. Scientists have long wondered whether evolution ...

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 ...

Navaornis hestiae (center) documents a previously unknown intermediate stage in the evolution of the central nervous system between the earliest birds (like Archaeopteryx on the left) and living birds ...

Feb 12 (Reuters) - Scientists have unearthed in southeastern China the fossil of a quail-sized bird that lived about 150 million years ago during the Jurassic Period and possessed surprisingly modern ...

Scientists uncovered a 149-million-year-old bird fossil in southeastern China with unexpectedly modern traits they believe could rewrite the evolutionary history of birds. The recently discovered ...

Scientists have long wondered whether evolution would follow the same path if history had a chance for a “do-over.” New research suggests that it does, when it comes to the brain and its regulation of ...