A rare 80-million-year-old fossil bird skull is helping scientists decode how modern bird intelligence evolved.

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

The fossil bird, which has been named Navaornis hestiae, lived approximately 80 million years ago in what is now Brazil, ...

Birds often invoke images of cheerful chirping or graceful gliding through the air. However, some of these peaceful birds can ...

Navaornis is likened to a sort of Rosetta Stone for decyphering the evolution of bird brains.

Researchers hope the "exquisitely preserved" fossil will cast new light on an enduring mystery in paleontology.

Birds descended from the dinosaurs, but researchers have known relatively little about how the bird's brain took shape over ...

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The largest bird on Earth is the ostrich, which can stand as tall as 9 feet and weigh between 220 and 350 pounds. Although flightless, it can sprint up to 45 mph. The emu is native to Australia ...

"Scientists have struggled to understand how and when the unique brains and remarkable intelligence of birds evolved. The ...

As the birds move off to another woodlot, their clucking calls can be heard as they sail overhead in a seemingly never-ending ...

(CNN) — Millions of years ago, long-legged, big-beaked, meat-eating “terror birds” stalked the Americas. The imposing creatures ruled the roost as top predators ...