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

“This study demonstrates that eggshell biocalcite from non-avian dinosaurs, birds, and other egg-laying vertebrates has the potential to serve as a reliable geochronometer in Mesozoic and Cenozoic ...

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

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

Spinosaurus in the Sahara Desert in Niger, a discovery that adds to the debate over whether the prehistoric creatures were fully or semi-aquatic]]> ...

Scientists were “astonished” to find a new species of Spinosaurus with a scimitar-shaped bony crest—uncovered in the Sahara ...

Experts have discovered a huge new species of fish-eating dinosaur. It has been named Spinosaurus mirabilis and scientists ...

Nyasasaurus parringtoni may take the crown as the oldest dinosaur fossil known to science. It lived during the Middle Triassic around 243 million years ago, and left behind remains that predate other ...

A rare dinosaur fossil on display at the Museum of the Rockies in Bozeman, Montana, tells a gory story. The skull from a ...

By Will Dunham Feb 19 (Reuters) - It was not an easy task for a team of dinosaur-hunting scientists to reach the remote site ...

A routine parking lot project at Dinosaur National Monument has unearthed dinosaur fossils at the site for the first time in more than a century. Workers uncovered the fossils near the Quarry Exhibit ...