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

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

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

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

In an extraordinary paleontological discovery, scientists have uncovered a remarkably well-preserved dinosaur face fossil ...