_Tyrannosaurus rex_ was a relentless predator who lived during the Cretaceous Period more than 65 million years ago. Roger Harris/Science Photo Library via Getty Images DNA – which stands for ...

The new species belongs to the same group as triceratops and stegosaurs. Paleontologists have discovered a new species of iguanodontian dinosaur that lived 125 million years ago during the Cretaceous ...

A dinosaur that may have been one of the fiercest of the Cretaceous period has been excavated in South America – with an extinct crocodile’s leg in its jaws. The remains of the dinosaur, named ...

NEW YORK (AP) — Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet (7 meters) long and hailed from a ...

A newly discovered trove of fossilized footprints provides what may be the first evidence of prehistoric diversity in dinosaur herds, though not everyone is convinced. A herd of ceratopsians ...

Megaraptorans were known for their elongated skulls and powerful claws. Paleontologists in Argentina have discovered a new predatory dinosaur -- the fossils of which contained a crocodile bone within ...

When did these blockhead dinosaurs get their domes? A new fossil is “the specimen we have all been waiting for.” In this artist's reconstruction, two pachycephalosaurs from the new species Zavacephale ...

A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs. The newly discovered dinosaur, Joaquinraptor casali, preyed on the soggy ...

A photo of what appeared to be a dinosaur tail trapped in amber captured the attention of millions in September 2025 when it was shared on social media. An X post (archived) viewed over 12 million ...

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 ...

WASHINGTON — A fossil unearthed in Argentina of a newly identified species of meat-eating dinosaur is providing insight into a poorly understood group of Cretaceous Period predators, thanks not only ...