The word(s) "heaven" appears 287 time(s) in 275 verse(s) in Quran in Mohsin Khan translation.

(21) Those who remember Allah (always, and in prayers) standing, sitting, and lying down on their sides, and think deeply about the creation of the heavens and the earth, (saying): "Our Lord! You have not created (all) this without purpose, glory to You! (Exalted are You above all that they associate with You as partners). Give us salvation from the torment of the Fire.

(22) And to Allah belongs all that is in the heavens and all that is in the earth. And Allah is Ever Encompassing all things.

(23) And to Allah belongs all that is in the heavens and all that is in the earth. And verily, We have recommended to the people of the Scripture before you, and to you (O Muslims) that you (all) fear Allah, and keep your duty to Him. But if you disbelieve, then unto Allah belongs all that is in the heavens and all that is in the earth, and Allah is Ever Rich (Free of all wants), Worthy of all praise.

(24) And to Allah belongs all that is in the heavens and all that is in the earth. And Allah is Ever All-Sufficient as Disposer of affairs.

(25) The people of the Scripture (Jews) ask you to cause a book to descend upon them from heaven. Indeed they asked Musa (Moses) for even greater than that, when they said: "Show us Allah in public," but they were struck with thunderclap and lightning for their wickedness. Then they worshipped the calf even after clear proofs, evidence, and signs had come to them. (Even) so We forgave them. And We gave Musa (Moses) a clear proof of authority.

(26) But Allah raised him ['Îsa (Jesus)] up (with his body and soul) unto Himself (and he عليه السلام is in the heavens). And Allah is Ever All-Powerful, All-Wise.

(27) O mankind! Verily, there has come to you the Messenger (Muhammad صلى الله عليه وسلم) with the truth from your Lord. So believe in him, it is better for you. But if you disbelieve, then certainly to Allah belongs all that is in the heavens and the earth. And Allah is Ever All-Knowing, All-Wise.

(28) O people of the Scripture (Christians)! Do not exceed the limits in your religion, nor say of Allah aught but the truth. The Messiah 'Îsa (Jesus), son of Maryam (Mary), was (no more than) a Messenger of Allah and His Word, ("Be!" - and he was) which He bestowed on Maryam (Mary) and a spirit (Ruh ) created by Him; so believe in Allah and His Messengers. Say not: "Three (trinity)!" Cease! (it is) better for you. For Allah is (the only) One Ilah (God), glory be to Him (Far Exalted is He) above having a son. To Him belongs all that is in the heavens and all that is in the earth. And Allah is All-Sufficient as a Disposer of affairs.

(29) Surely, in disbelief are they who say that Allah is the Messiah, son of Maryam (Mary) . Say (O Muhammad صلى الله عليه وسلم): "Who then has the least power against Allah, if He were to destroy the Messiah, son of Maryam (Mary), his mother, and all those who are on the earth together?" And to Allah belongs the dominion of the heavens and the earth, and all that is between them. He creates what He wills. And Allah is Able to do all things.

(30) And (both) the Jews and the Christians say: "We are the children of Allah and His loved ones." Say: "Why then does He punish you for your sins?" Nay, you are but human beings of those He has created, He forgives whom He wills and He punishes whom He wills. And to Allah belongs the dominion of the heavens and the earth and all that is between them; and to Him is the return (of all).