The dinosaur—likened to a "hell heron"—is believed to have had a bright-colored crest sheathed in keratin atop its head.

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

A team of 20 paleontologists has announced the discovery of a new dinosaur species, Spinosaurus mirabilis, in a remote region ...

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

Millions of years before the Sahara became a desert, it was a vibrant ecosystem. Bordering the ancient Tethys Sea, which broke up the supercontinent Pangaea, the region was home to massive dinosaurs, ...

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 ...

Named for its astonishing head crest, Spinosaurus mirabilis was found at a newly discovered site known as Jenguebi. This fossiliferous area lies in Niger’s central Sahara and, based on its geology, it ...

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 ...

For more than a century, paleontologists have been piecing together how the mysterious predator Andrewsarchus is related to ...

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 ...