As big and scary as Tyrannosaurus, Allosaurus was a fearsome predator. Follow an Allosaurus as it tracks its prey, and learn about other predators such as speedy, vicious Utahraptor and sly, crested G
"Superman battles the intergalactic conqueror known as Mongul in these tales from the late 1970s and early 1980s. Introduced as a physical challenge to the Man of Steel, Mongul appeared in stories tha
