A giant land predator has just been discovered in the Caribbean — and it’s rewriting everything scientists thought they knew. Meet the sebecid: a terrifying, long-extinct relative of crocodiles that ...

Visitors are now able to step into the ocean tunnel and come face-to-fin with species whose origins stretch back hundreds of ...

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A colossal new sea predator named Tylosaurus rex has been identified from fossils found in Texas, revealing a brutal 43-foot-long hunter that ruled ancient oceans 80 million years ago. The discovery ...

Earth is home to millions of animal species today, from tiny insects and marine worms to giant whales. For many years, ...

"Besides being huge, roughly twice the length of the largest great white sharks, T. rex appeared to be a much meaner animal ...

Scientists figured out that the predators were lumped in with a previously named mosasaur species. The new one, called ...

The vast sea that vanished millions of years ago didn't just disappear quietly. New research shows it may have pushed up ...

Just when you thought it was safe to go back in the water, scientists have discovered a giant, bus-size sea predator that was ...

In National Geographic's inaugural edition of the Stones & Bones newsletter, we travel to the far reaches of Argentina to ...

The newly described mosasaur Tylosaurus rex spanned up to 43 feet (13 meters) long and may have been one of the fiercest ...