The Earth once harbored creatures so large they seem almost unimaginable by today’s standards. "Monsters of the Ancient World: How Massive Were the Largest Dinosaurs?" takes you back to the Mesozoic ...

An ancient DNA analysis of the remains of several mastodons, including those which roamed along the Pacific and Atlantic coasts of North America, has revealed the Ice Age giants migrated vast ...

Mammoths were not the only enormous beasts ancient humans hunted. Elephant ancestors were also on the menu. While analyzing ...

Ancient inhabitants of the Arabian desert created monumental works of rock art on cliff faces, including life-sized images of camels, perhaps as a way to mark sources of water. Michael Petraglia, at ...