'Powers' in the Bible

Then he came to his hometown and began to teach the people in their synagogue. They were astonished and said, "Where did this man get such wisdom and miraculous powers?

and he said to his servants, "This is John the Baptist. He has been raised from the dead! And because of this, miraculous powers are at work in him."

"Immediately after the suffering of those days, the sun will be darkened, and the moon will not give its light; the stars will fall from heaven, and the powers of heaven will be shaken.