New dinosaur fossils were discovered at the Dinosaur National Monument, leading to the first excavation there in more than ...

National Park Service employees may have just uncovered one of the longest dinosaurs on Earth. Crews working on construction ...

A dinosaur was discovered beneath the parking lot at the monument’s most-visited attraction. It’s the first excavation in ...

About 66 million years ago, these two duck-billed dinosaurs, known as Edmontosaurus annectens, were preserved via an ...

Top paleontologists have discovered that mating between some species of prehistoric behemoths was so violent that they ...

Fossils reveal dinosaurs were flourishing in diverse ecosystems right up until the asteroid impact ended their reign.

A fossil of Manipulonyx reshetovi, found in a Mongolian desert, shows how the dinosaur used its specialized claw to snatch ...

A dinosaur egg laid 70 million years ago holds the remains of an "exquisite" embryo that shows how dinosaurs positioned ...

Dinosaur bones are like trees—every year is represented by a new ring, and paleontologists can count those concentric circles ...

When scientists finally measured the most powerful bite ever recorded, the winner wasn’t T. rex. It was something far older, ...

You might not think a paleontologist looking for 66-million-year-old fossils would need to ask a rancher about his great-grandmother's job in the Wyoming badlands. But that's what Paul Sereno, a ...