A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how ...

The oldest equatorial dinosaur in the world, and North America's oldest dinosaur, has been described in a new study. Dating ...

Researchers discovered Ahvaytum bahndooiveche fossils in Wyoming, revealing dinosaurs in Laurasia earlier than believed.

A quarry worker was stripping clay from the ground when he felt odd bumps—they turned out to be part of a ...

The world's smallest sauropod dinosaur tracks were discovered in Southwest China's Xizang Autonomous Region recently, ...