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 ...

Underwater predator footage! See the thrilling underwater action from the perspective of a dangerous fish.

The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and ...