Paleontologists have discovered a strange new dinosaur species that may have looked like a giant, feathered mix of a sloth and giraffe. It had only two raptor-like clawed fingers per hand, which the ...

In 1989, paleontologist Darren Tanke suggested that similar breaks were the result of mating as one dinosaur mounted the ...

David Hone does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

When the big asteroid hit Mexico 66 million years ago, it set off wildfires, tsunamis and massive clouds of dust that darkened the skies, killed much of Earth’s plant life and triggered a chain of ...

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 ...

Side view of NMNH's newly acquired Pachycephalosaurus skull, which is a rare, nearly complete specimen James D. Tiller and Phillip R. Lee / Smithsonian Institution Millions of years ago, an ...

(CNN) — A high-traffic “dinosaur freeway” may have once stretched across a shoreline in what is now Bolivia. Traveling along this busy route were theropods — three-toed, bipedal meat-eating dinosaurs, ...

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 ...