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 century ago, scientists unearthed fossils of a gigantic carnivorous dinosaur bigger than Tyrannosaurus rex in the Sahara desert, but until recently, paleontologists thought the fearsome beast was ...

A new Spinosaurus fossil has revealed that this gigantic predatory dinosaur was a proficient swimmer. The first fossil of the creature’s tail has been discovered, revealing large spines that indicate ...

The newest addition to the Field Museum on Chicago's lakefront will give visitors a glimpse of the largest predatory dinosaur yet discovered via a 46-foot cast of a Spinosaurus skeleton suspended high ...

WASHINGTON (Reuters) - The huge African predator Spinosaurus spent much of its life in the water, propelled by a paddle-like tail while hunting large fish - a "river monster," according to scientists, ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

The largest predatory dinosaur to ever walk on Earth sported a massive sail that rose from its back, but it turns out this imposing creature would have made for a very slow and awkward swimmer, ...

What if the giant sail-backed Spinosaurus wasn't actually a swimming dinosaur at all? Despite some scientists' impressions of the dinosaur, as well as the way it is portrayed in Jurassic Park 3, the ...

Paleontologists have long been puzzled about how the Spinosaurus — a giant dinosaur and aquatic predator — would have behaved. Now, they believe it would have been less like an otter, and more like a ...

Digital skeletal reconstruction and transparent flesh outline of Spinosaurus aegyptiacus. Color codes are used to show the origin of different parts of the digital skeletal model. Bones of the neotype ...

CHICAGO (AP) — The newest addition to the Field Museum on Chicago's lakefront will give visitors a glimpse of the largest predatory dinosaur yet discovered via a 46-foot (14.02 meter) cast of a ...