Large meat-eating dinosaurs attained their great size through very different growth strategies, with some taking a slow and steady path and others experiencing an adolescent growth spurt, according to ...

WASHINGTON, Sept 23 (Reuters) - 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 ...

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 rock formation in Patagonia. They noticed unique features in the bones ...

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 mysterious ...

A croc bone locked between the 70-million-year-old predator’s jaws gives scientists a rare look into its life and possibly ...

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 ...

The find is from a mysterious group of dinosaurs called megaraptorans, which were known for their stretched-out skulls and ...

The cast of Patagotitan mayorum weighs 2½ tonnes and was transported in two shipping containers. Read more at ...

Clawed Dinosaur This image shows an artist's illustration of the newly discovered dinosaur Joaquinraptor casali with an ancient crocodile relative's front leg in its mouth. (Andrew McAfee, Carnegie ...