"Longipteryx is one of my favorite fossil birds, because it's just so weird— it has this long skull, and teeth only at the tip of its beak," says Jingmai O'Connor, associate curator of fossil ...

A newly-discovered fossil named after Sir David Attenborough has pushed back the history of toothless birds by 50 million years. All birds today are toothless but that wasn't always the case and ...

Does a duck always look like a duck and quack like a duck? Sixty-six million years ago, at the end of the Cretaceous Period, ...