For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a ...

Theropods once trekked along a “dinosaur freeway” that stretched across a shoreline in what is now Bolivia, according to a new study.

Scientists studied thousands of dinosaur footprints in Bolivia and uncovered how these animals moved, ran, and interacted on ...

Dinosaur footprints made by theropods in the Cretaceous period were detected in a National Park in Bolivia.

A newly discovered fossilized footprint in China has provided a surprising glimpse into the early life of a stegosaur. The ...

The extent of an incredible dinosaur highway has been revealed in Bolivia, a country where actual skeletal fossils are rare.

A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs.Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...

Baby dinosaurs survived on their own, living completely separate lives from adults and filling unique roles in ancient ecosystems.

So Dilophosaurus is no longer believed to have been venomous; but what about other dinosaurs?  In 2009, a small, feathered ...