Roger, a kangaroo known around the world for his impressive muscles and feats of strength, has died. The Kangaroo Sanctuary, Roger’s home in Australia’s Northern Territory, shared the sad news ...

Kangaroo reproduction allows the mother to have up to three ... The mother has powerful stomach muscles she contracts to keep ...

An adult male red kangaroo can stand over 1 1/2 meters tall ... It's lined with powerful, but flexible, muscles and ligaments. To keep the joey safe, mom can tighten those muscles to shut the ...