The Bible says that God made Earth for a reason...for it to be inhabited by humans:
"For thus saith Jehovah that created the heavens, the God that formed the earth and made it, that established it and created it not a waste, that formed it TO BE INHABITED." (Isaiah 45:18) ASV
God’s original purpose for mankind was connected with the earth (Genesis 1:28), not with heaven:
"The heavens are the heavens of Jehovah; But the earth hath he given to the children of men." (Ps. 115:16) ASV
Even Jesus himself said that "the mild-tempered ones...will inherit the earth" (Matthew 5:5)
For more, see:
What Is God’s Purpose for the Earth?
Who Will Inherit The Earth?
Eternal Happiness—In Heaven or on Earth?
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