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.

Want to help us out? Take the survey: https://s.si.edu/3lnUCaH Subscribe and turn on notifications 🔔 so you don't miss any videos: https://s.si.edu/3rnWsfq The Wright Brothers were the first humans ...

Long before feathers meant flight, one creature made the very first leap. And now, because of an astonishing fossil, scientists are getting their clearest look yet at how that first journey into ...

By Mindy Weisberger, CNN (CNN) — When a fossil preserves an animal’s complete body in a death pose, seeing it is observing a snapshot in time.

A tiny, overlooked wrist bone called the pisiform may have played a pivotal role in bird flight and it turns out it evolved far earlier than scientists thought. Fossils from bird-like dinosaurs in ...

One such fossil was recently acquired by Chicago’s Field Museum of Natural History and has provided answers to the longstanding question about flight in Archaeopteryx. Researchers published a ...