Dinosaur origins: Birds evolved from small theropod dinosaurs, sharing traits like hollow bones, three-toed limbs, and feathers. Archaeopteryx link: The iconic transitional fossil shows both reptilian ...

Most bird wings are far from aerodynamically optimal, suggesting evolution often settles for “good enough” instead of perfect ...

Some feathered dinosaurs like Anchiornis huxleyi may have lost the ability to fly, revealing that the evolution of flight was ...

For years, the evolution of flight seemed fairly straightforward. Dinosaurs developed feathers, with some learning to glide, ...

Scientists with the Field Museum of Chicago have discovered that a pigeon-sized Archaeopteryx fossil in its collection displays an array of features previously unknown when it comes to the earliest ...

An ancient archaeopteryx fossil is offering new insight into the early evolution of birds from dinosaurs. Dating back around ...

Fossils reveal that prehistoric cicadas’ wings evolved to help them evade hungry predators with feathers and beaks, scientists say. By Jack Tamisiea Today, few critters are as abundant as cicadas.

A New History From Their Dinosaur Origins To the Present. I will never forget my first dinosaur wing. I was a college s ...

The birds of today descended from the dinosaurs of yore. Researchers have known relatively little, however, about how the bird's brain took shape over tens of millions of years. "Birds are one of the ...

Reconstruction of a Late Triassic landscape (approximately 215 million years ago). A lagerpetid, a close relative of pterosaurs, is perched on a rock, observing pterosaurs flying overhead. Tübingen, ...