The new fossil was unearthed in a remote part of Argentinian Patagonia—and had teeth comparable to a T. rex, says National Geographic Explorer Diego Pol. The fossil skull of Kostensuchus atrox, a ...

Jennifer Lawrence accidentally took Ambien right before Philip Seymour Hoffman dance scene in "Hunger Games" North Korea releases images of development of nuclear-powered submarine Can't-miss play: 86 ...

It’s a battle of cousins, but the grizzly would come out on the losing side. Each of these animals has unique traits that ...