Is Ophiuchus the 13th Zodiac Sign? Astronomers and Astrology Recently, astronomer Parke Kunkle announced the exciting news: There is a 13th zodiac sign! That means your zodiac sign has changed! Right?

From MSNBC: Many of us read our horoscopes everyday. But now, it turns out, you may be reading the wrong sign. A shift in the sky over the millenniums altered your zodialogical sign.