Whether they’re opening for takeoff, spreading wide for a lazy soar or flapping to brake for landing, bird wings make flying ...

At first glance, feathers may seem like simple parts of a bird’s body. But if you look closer—under a microscope or through a ...

And that plan is ruffling some feathers as NPR's Nell Greenfieldboyce ... plus more South American birds - it surprised and upset a lot of people. KAUFMAN: The decision was put out there.

A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in Chicago is revealing an array ...