'Skies' in the Bible

Because of this, the earth will mourn;the skies above will grow dark.I have spoken; I have planned,and I will not relent or turn back from it.

The Lord is the one who by his power made the earth. He is the one who by his wisdom established the world. And by his understanding he spread out the skies.

Can any of the worthless idols of the nations bring rain?Or can the skies alone give showers?Are You not the Lord our God?We therefore put our hope in You,for You have done all these things.

We would have healed Babylon, but she is not healed: forsake her, and let us go every one into his own country: for her judgment reacheth unto heaven, and is lifted up even to the skies.