An isolated 50-million-year-old fossil feather from the Green River Formation in Wyoming. Feathers from modern-day birds have more in common with dinosaur feathers than experts previously thought and have a similar protein composition, a new X-ray analysis reveals. The discovery offers new insight into the evolution of feathers over hundreds ...
See Details: 125 million-year-old dinosaur feathers were remarkably similar to modern bird feathers, analysis reveals