How close are we to new Avengers rides, Avatar theming and Cars and Monsters lands? Here's what to expect and when for ...

The new fossil was unearthed in a remote part of Argentinian Patagonia—and had teeth comparable to a T. rex, says National Geographic Explorer Diego Pol. The fossil skull of Kostensuchus atrox, a ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater rivers alongside dinosaurs and crocodiles. A massive tooth found in North ...

How big could land animals really get? Explore the incredible sizes of dinosaurs and the science behind their gigantism. From skeletal structure to metabolism, understand what allowed these creatures ...

A newly unearthed fossil has led experts to believe an ancient species of crocodile may have been an apex predator that hunted dinosaurs on land. Paleontologist and National Geographic Explorer Diego ...

A fossil found in Argentina shows that up to the very end of the age of dinosaurs, they faced serious competition from other reptile species. A life reconstruction of Kostensuchus, a large, ...