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.

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

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

How and when did dinosaurs first emerge and spread across the planet more than 200 million years ago? That question has for ...

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

A multi-institution investigation in China has introduced the world to Archaeocursor asiaticus, and the research suggests an earlier dispersal event of ornithischians from Gondwana to Laurasia ...

For decades, paleontologists have debated how and when dinosaurs emerged and spread across the planet more than 200 million ...

Ginkgo Biloba&#039s lineage dates back more than 290 million years to the Permian period, even predating the era of the ...

Scientists suggest early Jurassic ornithischians migrated from Gondwana to East Asia, preceding armored dinosaurs.

This newly identified dinosaur species represents the oldest and most primitive type of ornithischian dinosaur found in Asia so far.