'Heaven' in the Bible

to an incorruptible and undefiled inheritance that doesn't fade away, reserved in Heaven for you,

To them it was revealed, that not to themselves, but to you, they ministered these things, which now have been announced to you through those who preached the Good News to you by the Holy Spirit sent out from heaven; which things angels desire to look into.

who is at the right hand of God, having gone into heaven, angels and authorities and powers being made subject to him.