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

(81) And We have guarded it (near heaven) from every outcast Shaitan (devil).

(82) And We created not the heavens and the earth and all that is between them except with truth, and the Hour is surely coming, so overlook (O Muhammad صلى الله عليه و سلم) their faults with gracious forgiveness. [This was before the ordainment of Jihad - holy fighting in Allah's cause].

(83) He has created the heavens and the earth with truth. High is He, Exalted above all that they associate as partners with Him.

(84) And to Allah prostrate all that is in the heavens and all that is in the earth, of the moving (living) creatures and the angels, and they are not proud [i.e. they worship their Lord (Allah) with humility].

(85) To Him belongs all that is in the heavens and (all that is in) the earth and Ad-Din Wasiba is His [(i.e. perpetual sincere obedience to Allah is obligatory). None has the right to be worshipped but Allah)]. Will you then fear any other than Allah?

(86) And they worship others besides Allah - such as do not and cannot own any provision for them from the heavens or the earth.

(87) And to Allah belongs the Unseen of the heavens and the earth. And the matter of the Hour is not but as a twinkling of the eye, or even nearer. Truly! Allah is Able to do all things.

(88) The seven heavens and the earth and all that is therein, glorify Him and there is not a thing but glorifies His Praise. But you understand not their glorification. Truly, He is Ever Forbearing, Oft-Forgiving.

(89) And your Lord knows best all who are in the heavens and the earth. And indeed, We have preferred some of the Prophets above others, and to Dawud (David) We gave the Zabur (Psalms).

(90) "Or you cause the heaven to fall upon us in pieces, as you have pretended, or you bring Allah and the angels before (us) face to face;