Researchers Uncover a Chicken-Sized Beast, Reveal It Is Not Only the Oldest Dinosaur but the First of Its Kind to Grace Earth ...

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

A new study published in the Zoological Journal of the Linnean Society suggests that dinosaurs roamed Laurasia earlier than ...

The dinosaur species survived in the wild by staying close to one another to discourage predators and keep one another in ...

Paleontologists released a new report last week showing that the earliest dinosaur ever discovered in North America is from ...

bahndooiveche and positively identified it as a dinosaur. "It was basically the size of a chicken but with a really long tail," said Lovelace in a press release. "We think of dinosaurs as these giant ...

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

A rendering of how the chicken-sized dinosaur may have looked about 230 million years ago. Illustration by Gabriel Ugueto, courtesy the University of Wisconsin-Madison A chicken-sized dinosaur ...

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.