'Heavens' in the Bible

Be glad then, O heavens, and you who are in them. But there is trouble for the earth and the sea: because the Evil One has come down to you, being very angry, having the knowledge that he has but a short time.

And I saw an angel taking his place in the sun; and he was crying with a loud voice, saying to all the birds in flight in the heavens, Come together to the great feast of God;