Tracking the origin of the dinosaurs has been one of the most difficult tasks paleontologists have faced, but since the 1990s, multiple discoveries in South America have provided scientists with a ...

The oldest dinosaurs yet discovered date back nearly 230m years to the Late Triassic epoch. Fossils of Herrerasaurus and Eoraptor were discovered in Argentina; both were bipedal carnivores ...

Researchers have discovered what may be the earliest dinosaur, a creature the size of a Labrador retriever, but with a five foot-long tail, that walked the Earth about 10 million years before more ...

Dinosaurs are often said to have “ruled” the earth throughout their tenure upon it. Yet, as we’ll see, the boxy-headed Herrerasaurus hailed from a time in which dinos were hardly dominant.