Mielikki, the goddess of the forest, traveled to space for the materials to create the bear. If you place a dead bear's head in a tree it's spirit can travel home to the stars.
Coronis and Apollo were lovers and she became pregnant.There was some infidelity on Coronis's part and Apollo's spy raven tattled to him about it. In Apollo's rage he turned all crow's from white to black set his sister Artemis on Coronis. As Coronis was on her funeral pyre Apollo felt bad and had his son, Asclepius, cut from her womb.
Here is another ancient greek myth drawing. There was this time Adonis boasted he was a better hunter than Artemis, so Artemis sent a wild boar to kill him. This is just one of the ways he supposedly died, but it's defiantly my favorite.