Hebrews 1:6
And again, when he hath brought in the firstbegotten into the world, he saith: "And let all the angels of God pay him homage."
1 Peter 1:12
to whom it was revealed, that not to themselves, but to you, they were ministering the things, which have now been announced to you by them that have brought the glad tidings to you by the Holy Spirit sent down from heaven; which things angels desire to look into.
Revelation 5:11-14
And I saw, and I heard the voice of many angels around the throne and the living creatures and the elders; and the number of them was ten thousand times ten thousand, and thousands of thousands;
Revelation 14:8-10
And another, a second angel, followed, saying: Fallen, fallen is Babylon the great, which hath made all the nations drink of the wine of the wrath of her fornication.