Coelophysis was a slender carnivorous dinosaur that lived during a time when Earth looked nothing like it does today. Fossil discoveries in the southwestern United States have made it one of the ...

Where they lived: Dinosaur fossils have been found on every continent, including Antarctica. What they ate: Some ate plants, while others ate animals, including other dinosaurs. How big they were: The ...

The contents of 200-million-year-old faeces and vomit are helping show how dinosaurs took over the world at the start of the Jurassic Period. Well-preserved plants, bones, fish parts and even whole ...

WASHINGTON (Reuters) - Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus and weirdos ...

The Triassic period marked a chaotic chapter in Earth’s history following the planet’s largest mass extinction. This ...

In Paraíso do Sul in southern Brazil, scientists discovered a fossil of a dog-sized reptile dating back to 237 million years ago. The creature, a newly described species named Gondwanax paraisensis, ...

Ornithischians—beaked, herbivorous dinosaurs—flourished, as did armored species like Stegosaurus. Flying reptiles (pterosaurs) and early birds began soaring the skies. By the end of the Jurassic, ...

The newly described Mirasaura grauvogeli from the Middle Triassic had a striking feather-like crest, hinting that complex skin appendages arose far earlier than previously believed. Its bird-like ...

An artist's depiction of two sauropodomorphs in a wet Early Jurassic environment, eating the newly evolved plants. Marcin Ambrozik Prehistoric poop is full of secrets. Now, one of those secrets—the ...

Artist's impression of Diamantinasaurus matildae, a long-necked sauropod dinosaur. (Travis Tischler via Courthouse News) (CN) — High in the Andes mountains of northwestern Argentina, at an elevation ...

The mass extinction that wiped out nearly all life on Earth just before the dinosaurs evolved may have been caused by a global temperature drop rather than a rapidly warming climate. The End Triassic ...