Yes and no: It depends on how you classify animals. There are two main classification systems – the Linnaean system which groups organisms by characteristics and the phylogenetics system, which ...

Scientists may have solved one of paleontology's enduring mysteries - the evolutionary origins of the flying reptiles called pterosaurs that ruled the skies at the same time that dinosaurs dominated ...

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 ...

Mosasaurus was among the largest and last of the sea-dwelling mosasaurs. Dmitri Bogdanov via Wikimedia Commons under CC0 There hardly was a more fearsome family of seagoing carnivores than the ...

Had a volcano-driven mass extinction not occurred at the end of the Triassic 201 million years ago, we likely would have had something closer to an Age of Crocodiles than the Age of Dinosaurs that ...

New study identifies a bizarre new species suggesting that giant marine lizards thrived before the asteroid wiped them out 66 million years ago. New study identifies a bizarre new species suggesting ...

A new study suggests that predatory dinosaurs, such as Tyrannosaurus rex, did not have permanently exposed teeth as depicted in films such as Jurassic Park, but instead had scaly, lizard-like lips ...

Mysterious night lizards survived the giant asteroid strike that ended the reign of the dinosaurs 66 million years ago, despite living right next to the impact site, a new study finds. Thanks to a new ...

Nowadays, dinosaurs are widely portrayed as animated, fictional characters in books and movies! In reality, these reptiles appeared on Earth between 230–245 million years ago, depending on which ...

A spectacular fossil skull preserved in a drop of amber is not from a tiny flying dinosaur but probably the remains of an ancient lizard, according to a retraction of the original research published ...