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, ...

Standing in the shallows of an ancient sea, a large Spinosaurus catches a fish, drops it into the water and waits. Before long, the blood attracts a shark, which swims right into the dinosaur’s gaping ...

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For years, controversy has swirled around how a Cretaceous-era, sail-backed dinosaur—the giant Spinosaurus aegyptiacus—hunted its prey. Spinosaurus was among the largest predators ever to prowl the ...

A newly discovered species of large dinosaur lived in marshy areas, hunted for fish and had an impressive horn protruding from its skull. It is the first time in over 100 years that scientists have ...

Researchers in Spain have identified a new spinosaurus species that walked on two legs, feasted on fish and measured between 32 and 36 feet when it was alive. The researchers who named the newest ...