The dinosaur stretched about four metres long with a turtle-like body. Around its neck, metre-long spikes extended from both sides.

Learn more about the full cast of The Dinosaur Experiment with news, photos, videos and more at TV Guide ...

5 fast facts about dinosaurs The heaviest known dinosaur is thought to be Argentinosaurus, a supermassive titanosaur that lived during the Cretaceous period.

It does get its “jaws” on with an underwater dinosaur as Scarlett Johansson’s covert operative Zora leads her ragtag crew to an island all the failed dinosaur experiments call home.

The Denver Museum of Nature and Science made a surprise discovery during a project on the museum's parking lot: a 70 million-year-old dinosaur fossil.

Trilobites This Dinosaur Probably Tweeted More Than It Roared The anatomy of a Chinese fossil offers a hint that birdsong may be as old as the dinosaurs themselves. Share full article ...