Even someone who has put up with with a cat from hell would rather deal with hisses and hairballs than a thing with knives for teeth and a craving for flesh. Diegoaelurus vanvalkenburghae was not just ...

Standing around 10 feet tall, weighing around 220 pounds and with an axe-like beak capable of delivering devastating strikes, the terror bird would have proved a ...

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A 12-million-year-old fossil of a prehistoric "terror bird" discovered in South America might represent the largest known member of its kind found to date, a study ...

In the animated movie “Ice Age,” there was a scary, saber-tooth tiger named Diego — which had real-life counterparts that lived in Iowa some 13,000 years ago during the real Ice Age. Researchers at ...

Teeth marks seen on the leg bone of a so-called ‘terror bird’, which were predators 13 million years ago, suggest it may have been killed by an even bigger ...

Nearly 12 million years ago, the largest "terror bird" ever discovered was attacked and killed by a massive caiman, a 3D analysis of its fossilized leg suggests ...