How a Scorpion ended up in the constellation...

Orion, a handsome and great hunter, fell in love with the beautiful goddess, Artemis, and was preparing to marry her. However, her brother, Apollo, was displeased with the arrangement because gods and goddesses were not supposed to marry mortals. So Apollo sent a scorpion to kill Orion, which the scorpion promptly did. Artemis, brokenhearted about losing her great love, begged the gods to restore his life. They allowed her to place his image in the heavens. But the scorpion (Scorpius) was to be placed far from Orion, so that it would not hurt him again. Even today you can see that when Scorpius is just rising, chasing after Orion, the hunter is just starting to disappear behind the western horizon.