A few years ago, Maria McNamara was invited to Brussels by fellow paleontologist Pascal Godefroit and presented with an intriguing opportunity. At the time, they were collaborating on a study of an ...

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

Scientists examined hundreds of birds in museum collections and discovered a suite of feather characteristics that all flying birds have in common. These 'rules' provide clues as to how the dinosaur ...

Pterosaurs ruled the skies during the age of the dinosaurs, but scientists have long debated if they actually had feathers. Now we know. Not only did these flying reptiles have feathers, but they ...