With a recent radioisotopic analysis of the fossil specimens dating the remains to around 230 million years old, this tiny ...
Researchers discovered Ahvaytum bahndooiveche fossils in Wyoming, revealing dinosaurs in Laurasia earlier than believed.
Learn more about this newly named dinosaur and how it's discovery sheds light on dinosaur evolution.
A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how ...