just like how modern birds use their colorful feathers today. Many species of dinosaurs were enormous. The largest group of all the dinosaurs were the titanosaurs, which included Argentinosaurus ...

The new Argentine dino might give us clues to what the world was like before the asteroid wiped out their kind.

In another discovery earlier, the UK's largest dinosaur trackway site was uncovered in an Oxfordshire quarry. Nearly 200 massive footprints were discovered, dating back approximately 166 million ...

By a very small margin, Spinosaurus is currently thought to have been the largest carnivorous (meat-eating) dinosaur, ...

Modern birds, along with certain snakes and fishes, have skulls whose jaws and palates are not firmly fixed in place.