Scientists have identified fossilized jaws from Nanaimoteuthis haggarti, a Late Cretaceous octopus that reached up to 62 feet, rivaling the era’s largest marine reptiles. The discovery challenges the long-held belief that vertebrates exclusively ...

The finned octopus lived alongside T. rex and may have been one of the top predators in the ancient ocean food chain.

A massive predator once roamed the Earth, towering over its rivals and casting a long shadow on the ancestors of T. rex. This giant, now known as Ulughbegasaurus, ruled the prehistoric world around 90 million years ago, long before the rise of its more ...