This is a discussion of the Signs of Allah swt], the lord of the worlds. It is meant for those who need a Scientific Proof in religion. Moreover, it can be read by, both, lay men and the scientists. Natural Proof: It is an overview of the Universe from the Big Bang to the Doomsday, - the 6-Days of Creation. It is a proof of the existence, nature and attributes of God Almighty; the Truth of the Revelation of the Sacred Scriptures; and Islam - the religion before Allah swt], the lord of the worlds. This book, "COSMOS: The Six Days of Creation," is an excerpt from the masterpiece: "ISLAM: the religion before Allah swt], the lord of the worlds