The Spinosaurus thigh bone (left) was thin sectioned with a diamond saw (middle) to reveal under magnification its bone structure (right). Disclaimer: AAAS and EurekAlert! are not responsible for ...

Our beloved planet has seen giants that dwarf most animals alive today. These massive creatures lived across different time ...

For one, the spinosaurus' dorsal sail is depicted as a flat protrusion with little more than tight skin covering the bones that make up the spine. In reality, the protruding dorsal bones could ...

By a very small margin, Spinosaurus is currently thought to have been the largest carnivorous (meat-eating) dinosaur, weighing in at 7.4 tonnes and 14 meters long. Other Cretaceous giants are right up ...

Doing what they do better than any animal that ever evolved, a pair of the giant sail-backed predators, Spinosaurus aegyptiacus, wade into nearshore waters for prey as pterosaurs soar overhead ...

Whales lack the bone structure and muscles to support their own weight ... Interestingly, theropod dinosaurs such as Spinosaurus and T. rex were also the only animals to exceed the largest land-based ...

Since its discovery in 1915, the biology and behaviour of the enormous Spinosaurus has puzzled palaeontologists worldwide. It was recently argued that the dinosaur was largely an aquatic predator, ...