The massive fossil is suspected to belong to one of the most complete skeletons in the area, portions of which were ...

Geologists near Starkville found a bone of a Mosasaurus hoffmannii, one of the biggest species of mosasaurs, which could reach lengths of 50 feet.

Deinosuchus, a massive crocodilian with a school bus-sized body and banana-sized teeth, roamed North America millions of ...

“This is by far the biggest claw preserved for a dinosaur that has that keratinous sheath on it.” The dinosaur has been given the scientific name Duonychus tsogtbaatari, in honor of Mongolian ...

But how do scientists work out how big and heavy a dinosaur was? And what were the biggest dinosaurs that ever lived? In an ideal world, calculating how big a dinosaur was would be easy – with a ...