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

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.

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

Evolution is often depicted as a steady forward march from simple to complex forms. But new research shows that certain ferns ...

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