More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ...

Scientists found that when birds lose the ability to fly, their skeletons change first, while feathers take much longer to ...

Before Darwin’s theory became central to evolutionary biology, it still had gaps that were left to be filled—until a certain ...

Look out the window long enough and you’ll see a modern-day dinosaur making use of its feathers to soar across the sky. It’s ...

Feathered dinosaurs were first reported in the 1990s, but many mysteries remain about how and when feathers emerged.

Bird strikes can cause significant damage to aircraft, with a risk of jet engines losing power should they suck in a bird.

A FedEx cargo plane traveling from Newark to Indianapolis hit a bird during takeoff Saturday morning, officials said. That strike damaged one of the Boeing 767's engines, causing the engine to catch ...

Hummingbirds are the only birds that can fly backwards. They can also fly sideways, forwards, and upside down. Image: Pexels ...

A survey of museum specimens reveals that more than a dozen species of the birds sport biofluorescence in feathers, skin or even inside their throats.

Birds are inextricably linked to feathers, which allow them to fly, keep warm and put on dramatic displays. Feathers, however, predate birds—having first belonged to extinct dinosaurs.