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.

This particular story takes place on the west coast of southern Pangea, specifically the region that would one day become the Ischigualasto Formation of Argentina, and concerns an animal that ...

The names alone are imposing. Take Tyrannosaurus, the tyrant lizard; Torvosaurus, the savage lizard; or Giganotosaurus, the giant southern lizard. These monstrous carnivores dominate our imaginations, ...

Tawa hallae was a dog-sized bipedal carnivore that lived 214 million years ago in the Triassic era. ((Jorge Gonzalez)) A new raptor-like species of dinosaur found in New Mexico is providing answers to ...

Herrerasaurus ischigualastensis is an early saurischian dinosaur. It shared a bipedal, running anatomy common to large carnivorous dinosaurs that would evolve in the future, but this dinosaur lived at ...