Scientists have re-created the beginnings of the process that allowed scales of dinosaur-era birds to evolve into feathers. The early ancestors of modern birds had scales. By identifying the ...

Feathers evolved in dinosaurs and are a key characteristic of birds today. They are arranged in a precise hexagonal pattern in a bird's skin, but it has been unclear how this happens. According to a ...

THE embryonic skin of birds is the site of morphogenetic interactions between the epidermis and dermis leading to the formation of cutaneous appendages 1–3. Recombinations of the dermis and epidermis ...

A University of Bristol-led study has revealed new details about dinosaur feathers and enabled scientists to further refine what is potentially the most accurate depiction of any dinosaur species to ...

According to a new study, the precise patterning of bird feathers relies on signaling through ectodysplasin (EDA) and its receptor EDAR -- the same signaling pathway known to be crucial for the ...

Scientists have revealed new details about dinosaur feathers and enabled scientists to further refine what is potentially the most accurate depiction of any dinosaur species to date. A University of ...