A rare dinosaur fossil on display at the Museum of the Rockies in Bozeman, Montana, tells a gory story. The skull from a ...

Spinosaurus, the only known semiaquatic dinosaur predator, joins Tyrannosaurus, Giganotosaurus and Carcharodontosaurus among ...

Spinosaurus Mirabilis is believed to be roughly the size of a Tyrannosaurus Rex and about 95 million years old, researchers ...

A fossil on display at Montana State University's Museum of the Rockies reveals how dinosaurs in the Tyrannosaurus genus may have subdued prey, and the specimen is the focus of a new collaborative ...

Science fiction makes it seem like dinosaurs were huge reptiles. But between smaller sizes, feathers, and other factors, they ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: A girl looks at the skull of Tyrannosaurus rex "Tristan Otto," one of the most complete specimens worldwide, during ...

Paleontologists at the North Carolina Museum of Natural Sciences have discovered a new species of dinosaur called nanotyrannus lancensis. The discovery came after studying a fossil called "Dueling ...

If Tyrannosaurus rex is known for anything more than bone-crushing bites, it’s the dinosaur’s tiny arms. Paleontologists have been stumped about the dinosaur’s anatomical quirk for over a century now.

J. kaniukura may look like an armored T-Rex in some regards, but this armored dinosaur is actually a herbivore. And, despite its close resemblance to carnivores and a body make-up more likely to be ...

The Tyrannosaurus rex seemingly came out of nowhere tens of millions of years ago, with its monstrous teeth and powerful jaws dominating the end of the age of the dinosaurs. How it came to be is among ...