In this condition, the bird doesn’t produce the normal pigments in its feathers, often leaving them looking very different from the normal-looking counterparts. Often times, this condition ...

For over a century, astronomers have marveled at the beauty and complexity of spiral galaxies, which feature arms covered in ...

It has long been known that pterosaurs had some sort of furry covering often called 'pycnofibers', but until now scientists presumed the covering was fundamentally different from that of feathers of ...

In a study in the journal Evolution, researchers compared the feathers and bodies of different species of flightless birds and their closest relatives who can still fly. They were able to ...

In a new study in the journal Evolution, researchers compared the feathers and bodies of different species of flightless birds and their closest relatives who can still fly. They were able to ...