Fossils from the Petrified Forest National Park, in northern Arizona, revealed the discovery of a new reptile species that ...

During the Triassic period nearly 250 million years ago, a small reptile scurried after insects in the canopy of a lush ...

An international team of researchers has published a groundbreaking study in Nature, revealing that early reptiles from the ...

Preserved in tan stone, the fossil of Mirasaura included much of the ancient reptile’s skeleton and a feather-like fan that ...

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 ...

Paleontologists with the Petrified Forest National Park have named and described a new reptile within the park that lived in ...

Scientists have discovered an entirely new species in northern Arizona, but it has been extinct for more than 220 million ...

A strange crest found on ancient reptile fossils suggests birds and dinosaurs may not have the exclusive lock on feather-like ...

Paleontologists have discovered a new species of ancient crocodile-like reptile that once roamed the lands and waters of Brazil. The fossils, found in a fossiliferous locality named "Linha Várzea ...

The newly-found fossils are 209 million years old and include pterosaurs, primitive frogs and lizard-like reptiles ...

These lived during the Triassic period and are typically not considered true dinosaurs. Instead, they’re usually viewed as close relatives. The new fossil found in Brazil, however, could change ...

The plant-eating dinosaur was a type of sauropodomorph that lived in the Late Triassic period and weighed about 10 tons, according to a study published in the journal "Nature Ecology & Evolution".