Nearly 20 years ago, while repairing a fence on his ranch in Colombia, fossil collector César Perdomo found the middle leg bone of a bird. The 12-million-year-old fossil, known as a tibiotarsus, ...

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

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 ...

A bird brain from the age of dinosaurs reveals the roots of avian intelligence, according to a new study. The "one of a kind" ...

Researchers have uncovered one of the most complete fossils of a bony-toothed bird that flew 62 million years ago over New Zealand. Researchers have uncovered one of the most complete fossils of a ...

Paleontologists have found the first complete skull of a controversial prehistoric bird. Known as Vegavis iaai, the bird thrived in late-Cretaceous Antarctica, then a tropical paradise. About a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A peculiar fossil ...

A dinosaur-like fossil discovered in China is providing paleontologists with clues about the evolution of birds. The unusual bird named Fujianvenator prodigiosus was found in China's Fujian province ...

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 ...

LOS ANGELES – A raven-sized creature that lived about 150 million years ago is back on its perch, a new study says. The creature called Archaeopteryx was widely considered the earliest known bird.

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 ...