These dinosaurs, which once roamed South America, Africa and Madagascar, are different than their better-known Northern Hemisphere cousins. Their unusual adaptations, which are explored in the ...

The genus, Threordatoth, earns its name from the three points of the animal’s teeth, called tricuspids. It is a combination ...

Native to South America, the hoatzin offers clues to how dinosaur arms evolved into bird wings. Unique among living birds, hoatzin nestlings have dinosaur-like claws on their wings that they use ...

The fossilized tyrannosaur teeth are thought to date to around 135 million years ago and represent a first of its kind ...

The vast numbers of new dinosaurs that have been documented since the 1960s are equally exciting. New dinosaurs have of ...

The massive specimen, named Apex, will be on display at the American Museum of Natural History for four years, the museum ...