"Consider the characteristics and potential dangers of the extinct marine reptile, Styxosaurus, if it were still alive." ...

Sago, 6 years old, went into labor on April 2, surprising senior zookeeper Jill Erzar. Although Erzar had suspected Sago was ...

In Mongolia's Gobi Desert, paleontologists unearthed Duonychus tsogtbaatari, a novel therizinosaur species from 90-95 million ...

One furry creature is at the heart of sloth conservation in Costa Rica: Keysha. Sloths are notoriously hard to see and therefore can be hard to help. But one furry creature is at the heart of ...

Sloths eat a primarily vegetarian diet of leaves and shoots and spend around 15 hours a day sleeping, according to the zoo. The new baby can be seen in the zoo’s Windows to the Wild habitat.