Thor Hanson's own cast of Archaeopteryx lithographica presents what he calls the "ancient wing written in stone." It was the absence of feathers that got conservation biologist Thor Hanson thinking ...

A new study looking at the structure of feathers in bird-like dinosaurs has shed light on one of nature's most remarkable inventions – how flight might have evolved. Academics at the Universities of ...

Academics at the Universities of Bristol, Yale and Calgary have shown that prehistoric birds had a much more primitive version of the wings we see today, with rigid layers of feathers acting as simple ...