A new analysis led by paleontologists from the University of Chicago reexamines the bone density of Spinosaurus aegyptiacus as a way of determining its life habits in water.

Within the spinosaurid family, they concluded that Spinosaurus, which has a distinctive sail-like feature on its spine, and its close relative Baryonyx had increased bone density and would have ...

Differences in the skulls of carnivorous dinosaurs suggest some dinosaurs ripped flesh while others crushed bones ...

Fictional paleontologist Alan Grant, looking after kids Lex and Tim, tries to sneak by a dozing Tyrannosaurus rex and motor across a lake away from the dinosaur. The T. rex follows, swimming after ...

Fabbri is among a team of researchers who in March published an article concluding that the density of Spinosaurus fossils means they likely did go underwater to hunt. The team compared fossils ...

The Spinosaurus is the world’s largest predatory dinosaur and six feet longer than Sue. “This will be the first one outside Japan on permanent display, so hopefully it will make a lot of kids ...

Huge ‘river monster’ dinosaur unveiled at Field Museum The semiaquatic Spinosaurus, which lived about 95 million years ago, is 46 feet long. By Stefano Esposito Jun 2, 2023, 12:33pm PDT ...

Spinosaurus was even larger than Tyrannosaurus rex and measured 45 feet (13.7 meters) long. The colossus had an unusual skull shape that made it look more like a toothy crocodile than a raptor ...

Then finally, on Friday, the Field Museum prepared to unveil the largest predatory dinosaur ever discovered — when one of its 2-foot-long tail bones snapped.