What’s important to realize here is that, throughout the Bible, when the phrase “sons of God” is used, the reference isn’t to physical children but, rather, to angels.
In eternity, we will be transformed, physically, to be as the angels, able to abide in God’s presence. This is what salvation is.
But as many as received him, to them gave he power to become the sons of God, even to them that believe on his name:
John 1:12 KJV