Long before big cats, terror birds reigned as apex predators. Here’s how these flightless birds hunted, and why they went extinct.

The idea of a battle between a megalodon and a blue whale captures the imagination, though these giants never shared the same oceans. The megalodon, an extinct apex predator, was equipped with ...

(CNN) — Tens of millions of years ago, an apex predator resembling a giant crocodile stalked the humid freshwater floodplains of southern Patagonia. Measuring up to 11.5 feet (3.5 meters) long and ...

A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs. The newly discovered dinosaur, Joaquinraptor casali, preyed on the soggy ...

Federal officials have decided to reintroduce grizzly bears to the North Cascades in Washington state, Phys.org reported. Though grizzlies are native to the region, there has not been a confirmed ...

One is the largest animal known to have ever existed. The other is a revered predator at the top of its food chain. But would a blue whale and a great white shark ever find themselves at odds with ...