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

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

For years, scientists believed that dinosaurs first emerged in Gondwana—the southern portion of the ancient supercontinent ...

Rep. Dusty Johnson (R-S.D.) will introduce a bill that would authorize the president to purchase the Panama Canal and put it ...

A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early ...

Dinosaurs inhabited the Northern Hemisphere millions of years earlier than scientists previously thought, according to the new research.