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 ...

In front of us was a dinosaur skeleton the size of a large dog. It was obviously a dinosaur, as it had the reinforced pelvis, ...

In “The Story of Birds,” the familiar creatures in our skies and backyards are reintroduced as the last surviving dinosaurs.

Shapes of beaks and snouts come in an extraordinary range of forms, reflecting adaptations to different lifestyles and ...

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 ...

Even the giant wings of the albatross are not ‘optimally’ shaped for their extraordinary long-distance migrations, according ...