The identification of part of the fossilized remains of a so-called "terror bird" species in South America has given researchers new insight into the apex predators ...

Twelve million years ago, a huge flightless predator known as a “terror bird” sprinted across tropical floodplains in what is ...

A 56 million-year-old fossil bone helps explain how this (mostly) flightless family of birds spread to so many different ...

An 80-million-year-old fossil bird has been discovered with a skull so exquisitely preserved that scientists have been able ...

On this World Anatomy Day, Oct. 15, experts in the Center for Functional Anatomy and Evolution at Johns Hopkins Medicine are ...

Navaornis hestiae (center) documents a previously unknown intermediate stage in the evolution of the central nervous system between the earliest birds (like Archaeopteryx on the left) and living birds ...

A newly discovered fossil in Antarctica has provided evidence of the oldest known modern bird—a species closely related to today’s waterfowl, about the size of a mallard duck, according to a recent ...

A bird brain from the age of dinosaurs reveals the roots of avian intelligence, according to a new study. The "one of a kind" fossil discovery could transform our understanding of how the unique ...

Around 45 million years ago, a 4.6 feet-tall (1.40 meters) flightless bird called Diatryma roamed the Geiseltal region in southern Saxony-Anhalt. An international team of researchers report on the ...

Paleontologists describe four new species of extinct ancestral penguins that help shed light on how the iconic birds evolved after dinosaurs went extinct ...

Golden autumn sunlight glints through the sedges and shrubs of the tundra in northern Alaska. Winter is approaching, and soon the region will be buried under snow and ice. For the past three months ...