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

Researchers have unearthed a fossil of an ornithischian dinosaur in Chongqing Municipality, southwest China, and identified ...

Paleontologists say the fossils could prove dinosaurs lived in the northern hemisphere millions of years earlier than ...

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

The discovery of Ahvaytum bahndooiveche, a 230-million-year-old dinosaur in Wyoming, reveals dinosaurs existed in the ...

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.

This discovery challenges the long-held belief that dinosaurs originated exclusively in the southern supercontinent, Gondwana.

With a recent radioisotopic analysis of the fossil specimens dating the remains to around 230 million years old, this tiny ...

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

Paleontologists have announced the discovery of "North America's oldest dinosaur." The find challenges the consensus view on the origins of these extinct reptiles. In a study published in the ...