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 ...

More than 30,000 teeth, bones and other fossils from a 249 million-year-old community of extinct marine reptiles, amphibians, bony fish and sharks have been discovered on the remote Arctic island of ...

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 ...

An extinct reptile that lived among the dinosaurs 150 million years ago has been unearthed in the badlands of Wyoming. The tiny creature sheds light on New Zealand's Tuatara, the last living member of ...

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 ...

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 ...

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 ...

WASHINGTON, Dec 9 (Reuters) - 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 ...

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 ...

(WKRC) — If you weren't afraid of reptiles before, just wait. Komodo dragons may look less assuming than other monitor lizards or crocodiles, but they're just as fierce. They average 175 pounds and ...