When you picture a dinosaur, what does it look like? Maybe you think of four-legged herbivores like Apatosaurus or Triceratops. Maybe you imagine large armored dinosaurs like Ankylosaurus or ...

Scientists have discovered a dinosaur that might have chirped like a bird, a finding that suggests the evolutionary origins of birdsong may be far more ancient than we previously thought. In a paper ...

Two Spinosaurus hunt Onchopristis, a prehistoric sawfish, in the waters of the Kem Kem river system in what is now Morocco. Davide Bonadonna For the first time in history, researchers say they have ...

Researchers have discovered a new species of giant, bird-like dinosaur that made nests larger than monster truck tires in what is now central China, a study said. A 90 million-year-old embryo of ...

When you picture a dinosaur, what does it look like? For Jingmai O'Connor, paleobiologist and associate curator of reptiles at the Field Museum of... Birds are dinosaurs. Here's how scientists know ...