Scientists suggest that bigger brains in bird ancestors led to more flexible skulls, playing a key role in their evolution.

A near complete skull fossil found in Antarctica has revealed the oldest known modern bird — a mallard duck-size creature related to the waterfowl that live by lakes and oceans today ...

Modern birds, along with certain snakes and fishes, have skulls whose jaws and palates are not firmly fixed in place.

New research shows how physical changes in the skull affected the mechanics of the way birds move and use their beaks to eat and explore their habitats -- adaptations that helped them evolve into the ...

Paleontologists have uncovered an exceptionally complete skull of a massive bird that lived 45 million years ago. This fossilized skull belonged to now-extinct Diatryma, a flightless bird that ...

A recent study found a nearly complete skull in Antarctica that may belong ... It could be the oldest known modern bird. Its brain structure and long beak resemble those of today’s waterfowl ...