A reconstruction of the newly discovered megaraptor Joaquinraptor casali from Argentina with a Cretaceous-era crocodile arm in its mouth. Illustration by Andrew McAfee, Carnegie Museum of Natural ...

A fossil of the 23-foot-long predator could help unlock secrets of an order of dinosaurs that remain poorly understood. By Asher Elbein In 2019, a team of researchers uncovered a 70-million-year-old ...

Scientists in Argentina have discovered a new species of dinosaur that they believe could be at least 70 million years old. The Joaquinraptor was discovered in 2019 in Patagonia, the southern tip of ...

Paleontologists have discovered a new species of megaraptor dinosaur in Argentina, along with a startling clue about what it ate. Named Joaquinraptor casali, the apex predator apparently ate ...

The name 'Megaraptor' almost sounds made up - the product of a hollywood monster movie; a Jurassic World hybrid dinosaur, perhaps. While scientists do tend to give dinosaurs more dramatic names than ...

While the great Tyrannosaurus rex stalked prehistoric North America, a very different apex predator prowled ancient Argentina: the newly discovered megaraptor Joaquinraptor casali. When ...

A croc bone locked between the 70-million-year-old predator’s jaws gives scientists a rare look into its life and possibly its last feast. A reconstruction of the newly discovered megaraptor ...