Few subjects in evolutionary theory have posed such intriguing puzzles for so long as the origin of birds. Evidence of avian beginnings has been elusive in the fossil record because birds' light, ...

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

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A dinosaur-like fossil discovered in China is providing paleontologists ...

A 'one of a kind' fossil discovery could transform our understanding of how the unique brains and intelligence of modern birds evolved, one of the most enduring mysteries of vertebrate evolution. A ...

The woodpecker is a unique bird species that has gone through some mysteriously acquired adaptations since the extinction of the dinosaurs. Fossils tell us, without any explanations of course (because ...

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

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 ...

The bird retina is one of the most energetically expensive tissues in the animal kingdom, yet it doesn’t use the energy ...