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

A 69-million-year-old fossilized skull unearthed in Antarctica could rewrite the history of modern birds. The nearly complete skull belongs to Vegavis iaai, a prehistoric waterfowl species that ...

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

The researchers were able to use advanced micro-CT scanning technology to digitally reconstruct the bird's skull and brain with extraordinary detail. "This fossil is so truly one-of-a-kind that I ...