Here's something you didn't see in The Land Before Time: An international research team of scientists has confirmed the existence of the world's first semiaquatic dinosaur, in today's edition of the ...

If you think it sounds incongruous to describe the largest predatory dinosaur yet known as “half duck, half crocodile,” well, correct. But that’s the phrase University of Chicago paleontologist Paul ...

Researchers have discovered that Spinosaurus aegyptiacus had a "paddle-like" tail to propel itself through the water – bolstering the case that this particular species of dinosaur was capable of ...

WASHINGTON — The biggest dinosaur predator that ever stalked the Earth was also the weirdest. Scientists announced on Thursday the discovery in Moroccan desert cliffs of new fossil remains of ...

A group of paleontologists just announced it’s found “unambiguous evidence” suggesting that at least some species of Spinosaurus—a genus of theropod dinosaur that lived during the Cretaceous period in ...

Researchers have discovered that Spinosaurus aegyptiacus, the terrifying aquatic dinosaur that lived 100 million years ago, had a powerful tail that enabled it to be accustomed to an aquatic lifestyle ...

Scientific detective work spanning 100 years and three continents has revealed the first swimming dinosaur: a fish-eating beast that paddled like a duck and was bigger than a Tyrannosaurus rex. A new ...

New fossils found in the Moroccan Sahara shed new light on the menacing dinosaur Spinosaurus aegyptiacus. A study published in Science revealed that 95 million years ago, Spinosaurus aegyptiacus was ...

The largest predatory dinosaur to walk this earth wasn’t the T. rex. It was Spinosaurus aegyptiacus, a 50-foot long creature with powerful jaws and a solid, spiny sail on its back that dwelled in ...

Dinosaurs ruled the land for millions of years. Now scientists have discovered a fearsome species that could have wreaked havoc in its prehistoric waters. An unusual fossil whose parts were flung ...

Spinosaurus was the largest predatory dinosaur ever found. The species was first discovered a century ago, but it is only recently that the true nature of the ancient animal has been understood.

The researcher who discovered Paralititan stromeri, one of the most massive animals ever to walk the Earth, now is "picture-positive" about another dinosaur fossil find by a famous German researcher, ...