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 ...

An apex predator was spotted hunting a sea lion off the coast of California, boaters said. Getty Images/iStockphoto A 10-foot apex predator was spotted circling its prey off the coast of California, a ...