Scientists examined hundreds of birds in museum collections and discovered a suite of feather characteristics that all flying birds have in common. These 'rules' provide clues as to how the dinosaur ...

Not all birds can fly. Penguins, ostriches, and kiwis are some famous examples. It’s pretty easy to figure out if a living bird can fly. But it’s a bit tricker when it comes to extinct birds or bird ...

Ever since the first humans saw birds gracefully soaring through the sky above their heads, we have been asking two questions: how do they do that, and how can we learn to do that? Centuries of ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a new study in the journal Evolution, researchers ...

Experts have examined the evidence that prehistoric flying reptiles called pterosaurs had feathers and believe they were, in fact, bald. The debate about when dinosaurs developed feathers has taken a ...

To settle a lengthy debate, a team of paleontologists says the specimen unearthed in the 19th century was shed by an archaeopteryx. By Lucas Joel The feather looks like any feather you might find on ...