A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in Chicago is revealing an array ...

Horse racing has seen sharp declines in most types of equine musculoskeletal fatalities, but reductions to one particular type of injury— the shoulder fracture—have been less dramatic.

A Chicago fossil of Archaeopteryx uncovers unknown features, supporting theories of bird evolution from dinosaurs and ...

The humerus, pulled from a well-preserved ancient layer of sediment, belonged to a new extinct species of duck named ...

During a joint expedition to the mountains of western Cuba, researchers uncovered a rare complete bone from a bird that lived between 18,000 and 11,000 years ago. The humerus, pulled from a well ...

These innermost flight feathers of the wing are attached to the elongated humerus bone in the upper arm. Birds evolved from small feathered dinosaurs, which lacked tertials. The discovery of them ...

The human body abounds with vestigial features, but this one seems to be slowly disappearing, and there's an easy way to ...