Broken shin bone of a carnivorous dinosaur, showing rings like the rings of a tree. These closely spaced rings were formed annually and indicate a slow-growing, long-lived animal. Credit: Michael D. D ...

A new dinosaur species, Mamenchisaurus sanjiangensis, with an incredibly long neck rewrites the history of Jurassic dinosaurs ...

The mystery surrounding dozens of small dinosaur fossils has finally been solved. Remains previously thought to belong to ...

Few moments in paleontology are as exciting as the discovery of dinosaur eggs. These fragile and ancient specimens offer a ...

We know dinosaurs were big, but how big were they? And how do we even know? Luckily, paleontologists and other scientists know how to find the answers. By measuring fossils, comparing them to the ...

How fast were dinosaurs? If we're talking medium-sized theropods: very. That's according to a new fossil discovery that has ...

Not all dinosaurs were massive predators towering over their environment. Fossil discoveries have revealed remarkably small ...

WASHINGTON -- Imagine a vicious velociraptor like those in "Jurassic Park," but only as big as a modern chicken. That's what Canadian researchers say they have found, the smallest meat-eating dinosaur ...

A species of dinosaur recently discovered in Argentina had an armored back, distinctive jaw and tiny arms — and was roughly the size of a dog. Fossils dated to the humid Late Cretaceous period — ...

Visitors to Leu Gardens might be surprised to see prehistoric creatures lurking behind tropical vegetation as “Dinosaur Invasion” returns to the 50-acre botanical oasis. Of course, these aren’t living ...