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 ...

Modern cities are evolution engines. Urban snails in the Netherlands and lizards in Los Angeles have developed lighter shells ...

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.