The Denver zoo’s red-necked wallaby Adelaide has a new baby hanging out in her pouch. After spotting a joey popping its head ...

That's where the pouch comes in. It's a pocket of skin that acts like a second womb, giving the joey a safe, cozy environment to grow. And, like a pregnant belly, the pouch can stretch to fit the ...

A zoo in Sydney released footage and images on July 20 as it announced that a nine-month-old koala joey, named Parker, had emerged from its mother’s pouch.

At birth, the tree kangaroo joey is the size of a jellybean, and the majority of its physical development occurs in the mother’s pouch. Joeys don’t emerge fully from the pouch for about seven ...