A newly discovered fossil provides strong evidence that modern birds lived alongside dinosaurs. The 69-million-year-old skull ...

These ancient bird-like creatures looked quite a lot like small, feathered dinosaurs and they had much in common. Their mouths still contained sharp teeth. But over time, birds lost their teeth and ...

Lesothosaurus diagnosticus was one of the most primitive and earliest ornithischians, or "bird-hipped" dinosaurs ... such as hip structure and jaws and teeth designed to chew plants, link ...

agile meat-eating dinosaurs such as the Velociraptor. Ancient birds came in a variety of forms, from ones with teeth and ...

Scientists have unearthed in southeastern China the fossil of a quail-sized bird that lived about 150 million years ago ...