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

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

A bird swoops toward a bright orange-and-black moth resting on a leaf in the Amazon. It pulls up at the last second. The ...

New research has found that, unlike birds, the evolution of bats' wings and legs is tightly coupled, which may have prevented them from filling as many ecological niches as birds. New Cornell ...

For centuries, scientists have observed that animals in warmer climates have longer limbs—a pattern known as Allen's Rule. Long attributed to the need to maintain body temperature, the precise ...

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

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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, with extra connections between the backbone and hips, that all dinosaurs ...

ITHACA, N.Y. – New Cornell University research has found that, unlike birds, the evolution of bats’ wings and legs is tightly coupled, which may have prevented them from filling as many ecological ...