An analysis of two theropod dinosaur fossils has shown that they had a type of carpal bone (pisiform) in their wrists—a bone considered important to flight in birds. Subscribe to our newsletter for ...

A tiny, overlooked wrist bone called the pisiform may have played a pivotal role in bird flight and it turns out it evolved far earlier than scientists thought. Fossils from bird-like dinosaurs in ...

Kevin Padian is in the Department of Integrative Biology and at the Museum of Paleontology, University of California, Berkeley, California 94720, USA. Why was the question of the origin of bird flight ...

For the first time, scientists documented direct evidence of a bat preying on a bird at high altitude. During spring and fall migrations, billions of birds take to the night skies. The high-altitude ...

A pigeon-inspired robot has solved the mystery of how birds fly without the vertical tail fins that human-designed aircraft rely on. Its makers say the prototype could eventually lead to passenger ...