A vast slab of rock in central Bolivia has turned out to be one of the most crowded dinosaur thoroughfares ever found, ...

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

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

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

They detected what they believed to be 16,000 fossilized footprints on the arid Carreras Pampa. Through these fossilized ...

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 ...