An analysis of two theropod dinosaur fossils has shown that they had a type of carpal bone (pisiform) in their wrists—a bone considered important to flight in birds. Subscribe to our newsletter for ...

New Haven, Conn. — The evolutionary path from dinosaurs to birds included the development of a tiny wrist bone that ultimately proved crucial for stabilizing wings in flight. A new study suggests that ...

What can we learn from a shoulder joint? Smithsonian Predoctoral Fellow Daniel Field examines osteological correlates of flying ability to try and settle debates on whether or not certain fossil birds ...