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

think the biggest bird around is an ostrich think again the prehistoric world was home to birds so massive so terrifying they'd make an ostrich look like a pet parakeet ever seen a creature as big as ...

With massive hooked beaks and powerful legs, these birds were built to kill. In this video, we dive into their terrifying reign, how they hunted, and why they eventually vanished.

LOS ANGELES — A teenager in Argentina has discovered the fossil skull of the biggest bird ever found — a swift, flightless predator 10 feet tall that pursued its prey across the steppes of Patagonia ...