Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts ...

New research reveals the impact of discarded plastic materials on young birds—with chicks dying after becoming entangled in ...

Birds evolved a unique microRNA, MIR2954, to protect male embryos from gene overdose. Without it, male birds die early.

The evolutionary path from dinosaurs to birds included the development of a tiny wrist bone that ultimately proved crucial for stabilizing wings in flight. A new study suggests that the bone appeared ...