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

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

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

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

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

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 ...

This small, chicken-sized dinosaur lived around 230 million years ago. Interestingly, this pushes back the timeline for ...

But this is where Ahvaytum may rewrite the origin story because it originates from the North American landmass, which once formed part of Laurasia. At roughly 230 million years old, it is comparable ...

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 ...

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

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