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 ...

“If you were to take a time machine back to the end of the age of dinosaurs and encountered this animal, your first thought would probably be, ‘What a big, weird looking bird,’” Matthew Lamanna, a ...

The future of the endangered southern cassowary is at stake. Dubbed a “living dinosaur,” the flightless, prehistoric-looking bird is at risk of extinction. With its bright blue neck ...