A newly uncovered tyrannosaur leg bone is shaking things up in the dinosaur world. The leg bone uncovered in New Mexico ...

The prehistoric giant was "the largest known dinosaur ever to walk the Earth", said Bethan Parry of the Natural History Museum A full-scale model skeleton of one of the largest creatures to ever walk ...

A giant tyrannosaur in the late Cretaceous, 74-75 million years ago. (Chase Stone) A new analysis of a shinbone from the oldest known giant tyrannosaur in North America suggests that the 'king of ...

Add Yahoo as a preferred source to see more of our stories on Google. Argentinean paleontologist Pablo Gallina is shown in 2008 next to several dinosaur footprints discovered by two countrymen in the ...

TAMPA, Florida — About 150 million years ago, a giant, long-necked dinosaur stomped on the ground in the Midwestern US state of Wyoming and left behind what researchers said on Tuesday is the largest ...

High above the tree line in northern Italy, a wildlife photographer scanning a steep rock face for ibex noticed something unexpected. Hundreds, then thousands, of oval impressions marked the stone.

At a remote and barren Sahara desert site in Niger, scientists have unearthed fossils of a new species of Spinosaurus, among the biggest of the meat-eating dinosaurs, notable for its large ...

(Raul Martin) Of all the dinosaur superlatives, “biggest dinosaur ever” is one of the most prized. The trouble is that we don’t really know who deserves the title. Sauropods like Apatosaurus (once ...

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the T rex. Known as the duelling dinosaurs, this fossil preserves an ...