That finally changed in 1996, when scientists unveiled the first known fossil of a feathered dinosaur unrelated to birds. Dating back nearly 130 million years, Sinosauropteryx prima was a game ...

This trend, together with many other changes to the skeleton, ultimately led to the appearance of birds. “In 1996 the first feathered dinosaur was announced and many others have come to light since,” ...

Who their closest relatives were among dinosaurs, and the pattern of relationships for the very earliest birds ... who first invented the wheel or the propeller would have never known that ...

Discover what the prehistoric world was like and how it changed between when dinosaurs first appeared and the mass extinction at the end of the Cretaceous Period. Non-bird dinosaurs lived between ...

When you picture a dinosaur, what does it look like? For Jingmai O'Connor, paleobiologist and associate curator of reptiles at the Field Museum of... Birds are dinosaurs. Here's how scientists ...

The fossil filled a 70-million-year gap in the understanding of how the brains of birds evolved: between the 150-million-year-old Archaeopteryx, the earliest known bird-like dinosaur, and birds ...

Maybe you imagine large armored dinosaurs like Ankylosaurus or Stegosaurus. But for Jingmai O’Connor, the dinosaurs she studies – look a lot more like birds. “If you looked at an artist’s ...

Known from over 1,000 fossil specimens ... scientists with the first clues about the link between dinosaurs and modern birds.

Meanwhile, other feathered fossils’ wings seemed flight-ready – including those of the earliest known bird, Archaeopteryx, and Microraptor, a tiny, four-winged dinosaur that isn’t a direct ...

Until recently, many scientists believed there was a six to 10 million year gap between the first dinosaurs in the southern half of the ancient supercontinent, Pangea, and the oldest known ...