It's brain vs. brawns in the ultimate dinosaur showdown. In one corner, we have the giganotosaurus and in the other, the troodon. Although they lived in two completely separate eras, if these two ...

Spinosaurus, the only known semiaquatic dinosaur predator, joins Tyrannosaurus, Giganotosaurus and Carcharodontosaurus among the largest meat-eating dinosaurs.

Narrator: His "backup plan" will be to ignore this ruling and dare people to make him acquiesce to it, He will immediately ...

At a remote and barren Sahara desert site in Niger, scientists have unearthed fossils of a new species of Spinosaurus, among ...