Despite what the movies tell us, dinosaurs probably didn't roar at their prey. It's more likely that they chirped like birds, based on a well-preserved new fossil with an intact voice box. A team of ...

In northeastern China, researchers have found the fossil of a small dinosaur preserved in 163-million-year-old sandstone. At just 28 inches long, Pulaosaurus qinglong wasn’t much of a fighter—but a ...

Growling dinosaurs in Jurassic Park have instilled fear in generations of children. But would these giant reptiles be so scary if they didn’t growl at all, but chirped instead? Researchers in China ...