Evolutionary biologists at Johns Hopkins Medicine report they have combined PET scans of modern pigeons along with studies of dinosaur fossils to help answer an enduring question in biology: How did ...

Explore the mysterious world of nocturnal birds — from owls and nightjars to petrels — masters of silent flight and stealth. Discover how night flyers thrive and hunt under the cover of darkness.

Pterosaurs were the first vertebrates to achieve powered flight, but they remain the only major volant group to face ...