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

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

Hundreds of footprints from two dino species were excavated at a quarry in southeast England at the site of a well-known ...

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

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

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

The museum field crew's find is not just a new species — it's the oldest dinosaur ever discovered in the northern hemisphere.

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 newly discovered dinosaur, uncovered by UW-Madison paleontologists, is reshaping the understanding of prehistoric reptiles.

A 13-million-year-old species of turtle has been discovered after its fossil sat in a display case at an NT museum for ...