A new 3-D model plumbs the molecular intricacies of eggshell composition.

In a developing chicken embryo, skin cells pull on each other, forming multicellular mounds that eventually turn into properly-spaced feathers.

Chickens immunized against Marek’s disease virus are apt to spread more-virulent versions of the pathogen, a study shows.

Like humans, baby birds visualize increasing numbers from left to right, a study suggests.

A round-up of recent discoveries in behavior research

Most drug manufacturers agree to follow the Food and Drug Administration’s new labeling guidelines for antibiotics used in farm animals.

In avian species, a gene induces programmed cell death during development in the area where a phallus would otherwise grow.

An analysis of the novel virus indicates it’s descended from at least four different bird flu strains.

What scientists are learning about the zoonotic flu virus that has infected more than 100 people in China since February

High stress during fetal development could  cause premature aging, according to a study in chickens, which published today (November 9) in the Proceedings of the Royal Society B.