Scientists announced Tuesday the discovery of a new dinosaur in Patagonia, Argentina, with a crocodile bone in its jaw.

Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new ...

In a new study, researchers said they uncovered part of a skull as well as arm, leg and tail bones from the Lago Colhué Huapi ...

Paleontologists discovered a new species of iguanodontian dinosaur that lived 125 million years ago during the Cretaceous period.

Scientists in Argentina have discovered Joaquinraptor casali, a new dinosaur species from the mysterious megaraptoran group.

A fossil from about 66 million years ago reveals a species of dinosaur that is new to science, with claws that would have ...

Scientists have discovered a new dinosaur with powerful claws, feasting on an ancient crocodile bone.

Published findings reveal that researchers in Argentina have uncovered a species of Megaraptoran with a surprise in its jaw.

The new dinosaur, named Joaquinraptor casali, was about 23 feet (7 meters) long and weighed over 2,200 pounds.