The horned species, named Spinosaurus mirabilis, had scimitar-shaped crests on the back that were sheathed in keratin. The ...

Spinosaurus, the only known semiaquatic dinosaur predator, joins Tyrannosaurus, Giganotosaurus and Carcharodontosaurus among ...

Scientists have discovered Spinosaurus mirabilis, a 40-foot semiaquatic predator with a blade-like crest, in Niger’s Sahara, ...

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

Could Spinosaurus swim? A new fossil with a scimitar-like head crest provides new evidence on the unsettled question.

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

Scientists in Niger have identified Spinosaurus mirabilis, a 40-foot predator that lived in freshwater habitats 95 million years ago.

A new species of Spinosaurus with spectacular headgear has been described, and the location where it was found is powerful evidence in a closely followed dinosaur debate: Were these giants sea ...

The newest member of the Spinosaurus family measures over 40 feet long. Here is what we know about paleontology's latest discovery.

Spinosaurus Mirabilis is believed to be roughly the size of a Tyrannosaurus Rex and about 95 million years old, researchers said.