3 Bible Verses about Fallen Angels

And there was war in heaven: Michael and his angels made war against the dragon; and the dragon made war, and his angels: nevertheless, they did not prevail, neither was place found for them any more in heaven. And thus the great dragon was cast out; even the old serpent called the Devil, and Satan, who deceives the world, was cast out to the earth; and his angels were cast out with him.read more.
And I heard a great voice saying, in heaven, Now is come the salvation, and the power, and the kingdom of our God, and the authority of his Christ; because the accuser of our brethren is cast out, who accused them before our God day and night. And they have overcome him by the blood of the Lamb, and by the word of their testimony; and they loved not their lives to the death. Therefore, rejoice you heavens, and you who inhabit them. But woe to those who inhabit the earth and the sea; for the devil is come down to you, having great wrath, because he knows that he has but a short time. And when the dragon saw that he was cast out on the earth, he persecuted the woman who had brought forth the masculine child. And there were given to the woman two wings of a great eagle, that she might fly into the wilderness, to her place; where she is nourished for a time, and times, and half a time, from the face of the serpent. And the serpent threw out of his mouth water, like a river, after the woman, that he might cause her to be carried away by the stream: and the earth opened its mouth, and drank up the flood which the dragon threw out of his mouth. And the dragon was enraged against the woman, and went away to make war against the remainder of her seed, who keep the commandments of God, and retain the testimony of Jesus Christ.

For God, indeed, did not spare the angels who sinned, but with chains of darkness confining them in Tartarus, delivered them over to be kept for judgment;