Scientists have discovered Spinosaurus mirabilis, a massive "hell heron" dinosaur that rivaled T. rex and hunted fish in ancient waters some 100 million years ago.

Add Yahoo as a preferred source to see more of our stories on Google. Unearthed in a rare Saharan fossil site in Niger, Spinosaurus mirabilis had a large head crest that may have signaled a message to ...

Add Yahoo as a preferred source to see more of our stories on Google. During a journey that could be the plot of an adventure novel, paleontologists discovered the fossils of a new dinosaur species in ...

Imagine a dinosaur so powerful that even the mighty T-Rex would have to think twice before picking a fight. Meet the Spinosaurus, the only dinosaur that could potentially take down the king of the ...

The Spinosaurus is a sail-backed, crocodile-snouted dinosaur that Hollywood depicted as a giant terrestrial predator capable of taking down a T. rex in Jurassic Park 3. Then they changed their mind ...

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 ...

New species Spinosaurus mirabilis found in Sahara desert It had a large scimitar-shaped bony crest atop its head Its body, skull and teeth were adapted for fish-eating Spinosaurus was one of the ...

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According to Professor Sereno, this dinosaur could easily navigate water up to two meters deep with its strong legs.