A 'one of a kind' fossil discovery could transform our understanding of how the unique brains and intelligence of modern birds evolved, one of the most enduring mysteries of vertebrate evolution.

The brains of today's birds facilitate a level of cognitive prowess and behavioral complexity rivaled only by mammals. But ...

Palaeontologists have pieced together the brain structure of a bird that lived 80 million years ago named Navaornis hestiae, ...