To understand why kangaroos hop -- a rarity among animals -- researchers have studied the musky rat-kangaroo (Hypsiprymnodon moschatus), a diminutive marsupial that weighs only 500 grams but is the ...

Once upon a time, there was a little ogre named Shrek …” And thus begins the tale of an unlikely hero who finds himself on a life-changing journey alongside a wisecracking donkey and a feisty ...