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

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

A UChicago-led team unearthed ‘Spinosaurus mirabilis,’ a fish-eating giant and the first new species of its kind in a century, where nothing like it was supposed to exist ...

Spinosaurs have sometimes been portrayed as swimmers or divers, but a new species of these dinosaurs bolsters the idea that they were more like gigantic herons ...

It was not an easy task for a team of dinosaur-hunting scientists to reach the remote site called Jenguebi in northern Niger ...